#03B4C8 · #4BAAE3
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 89/100 (analogous) · Distinguishable 27/100 (hard to tell apart) · Match 43/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
IrisBlue and Cyan are a clear pair (ΔE 26). They have closely related hues (16° apart) and their lightness is similar, so they read as two same-weight colours.
IrisBlue text on Cyan: 1.03:1 (Fail); Cyan text on IrisBlue: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #003F48 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 89/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #003F48 clears AA.
Their CIE76 ΔE is about 26 — a clear pair.
clearly different colours (ΔE 26).
Explore each color: IrisBlue #03B4C8 · Cyan #4BAAE3 · Shades: IrisBlue shades · Cyan shades · Contrast checker →