#C9ECFF
Closest named color: Diamond (#B9F2FF). oklch(92.4% 0.045 231.6), rgb(201, 236, 255).
Aa
Black text reads best on this color (16.92:1).
About this color
#C9ECFF is a very light, muted blue. In OKLCH its lightness is 92%, its chroma 0.045 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.023 away. Black text reads best on it, at 16.92:1.
| Hue family | Blues |
| Lightness | very light (92%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.92:1 |
| White text | 1.24:1 |
Values
| HEX | #C9ECFF |
| RGB | rgb(201, 236, 255) |
| HSL | hsl(201, 100%, 89%) |
| OKLCH | oklch(92.4% 0.045 231.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C9ECFF | 1.24:1 | Fails | Lc -13.8 | Not readable |
| Black text on #C9ECFF | 16.92:1 | AAA | Lc 91.7 | Preferred for body text |
| #C9ECFF text on white | 1.24:1 | Fails | Lc 11.9 | Not readable |
| #C9ECFF text on black | 16.92:1 | AAA | Lc -92.1 | Preferred for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 100.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100 (this color)
#C9ECFF
oklch(92.4% 0.045 231.6)
-
Step 200
200
#C5DDEB
oklch(88.4% 0.032 233.3)
-
Step 300
300
#9BC8E0
oklch(80.9% 0.058 231.7)
-
Step 400
400
#60ABD0
oklch(70.7% 0.092 231.5)
-
Step 500
500
#2595C4
oklch(63.1% 0.118 231.8)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#072A3A
oklch(26.9% 0.049 232.7)
#C9ECFF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #E3EAFF | 0.032 |
| Deuteranopia (no green cones) | #DBE4FF | 0.029 |
| Tritanopia (no blue cones) | #BAF1F2 | 0.031 |
| Achromatopsia (no color) | #E7E7E7 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9ECFF
#C9ECFF
oklch(92.4% 0.045 231.6)
- #FFDECC
#FFDECC
oklch(92.3% 0.044 50.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C9ECFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.023
- Pale Sky Blue #BDF6FE ΔE 0.029
- Lavender #E6E6FA ΔE 0.037
- Pale Turquoise #AFEEEE ΔE 0.041
- Duck Egg Blue #C3FBF4 ΔE 0.047
- Pale Silver #D8E2DC ΔE 0.047
- Pale Blue #D0FEFE ΔE 0.050
- Platinum #E0E1DD ΔE 0.050
Use #C9ECFF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.