#CEEAF9
Closest named color: Diamond (#B9F2FF). oklch(92.1% 0.036 231.1), rgb(206, 234, 249).
Aa
Black text reads best on this color (16.76:1).
About this color
#CEEAF9 is a very light, muted blue. In OKLCH its lightness is 92%, its chroma 0.036 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.029 away. Black text reads best on it, at 16.76:1.
| Hue family | Blues |
| Lightness | very light (92%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.76:1 |
| White text | 1.25:1 |
Values
| HEX | #CEEAF9 |
| RGB | rgb(206, 234, 249) |
| HSL | hsl(201, 78%, 89%) |
| OKLCH | oklch(92.1% 0.036 231.1) |
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 #CEEAF9 | 1.25:1 | Fails | Lc -14.5 | Not readable |
| Black text on #CEEAF9 | 16.76:1 | AAA | Lc 91.1 | Preferred for body text |
| #CEEAF9 text on white | 1.25:1 | Fails | Lc 12.5 | Not readable |
| #CEEAF9 text on black | 16.76:1 | AAA | Lc -91.4 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100 (this color)
#CEEAF9
oklch(92.1% 0.036 231.1)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D9
oklch(80.9% 0.046 229.7)
-
Step 400
400
#70A9C7
oklch(70.7% 0.074 232.2)
-
Step 500
500
#4594B8
oklch(63.2% 0.094 230.5)
-
Step 600
600
#1E7DA4
oklch(55.5% 0.103 231.2)
-
Step 700
700
#0D6A8D
oklch(49.2% 0.095 230.9)
-
Step 800
800
#115672
oklch(42.6% 0.079 231)
-
Step 900
900
#18475C
oklch(37.6% 0.062 231)
-
Step 950
950
#102A36
oklch(27.1% 0.039 230.5)
#CEEAF9 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) | #E3E9FA | 0.027 |
| Deuteranopia (no green cones) | #DCE3F9 | 0.024 |
| Tritanopia (no blue cones) | #C2EEEF | 0.025 |
| Achromatopsia (no color) | #E6E6E6 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEEAF9
#CEEAF9
oklch(92.1% 0.036 231.1)
- #FADFD0
#FADFD0
oklch(92.2% 0.036 51)
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 #CEEAF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.029
- Lavender #E6E6FA ΔE 0.031
- Pale Sky Blue #BDF6FE ΔE 0.034
- Pale Silver #D8E2DC ΔE 0.038
- Platinum #E0E1DD ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.042
- Gainsboro #DCDCDC ΔE 0.045
- Anti-Flash White #EDF2F4 ΔE 0.047
Use #CEEAF9 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.