#CBE9FB
Closest named color: Diamond (#B9F2FF). oklch(91.8% 0.04 234.2), rgb(203, 233, 251).
Aa
Black text reads best on this color (16.58:1).
About this color
#CBE9FB is a very light, muted blue. In OKLCH its lightness is 92%, its chroma 0.040 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.028 away. Black text reads best on it, at 16.58:1.
| Hue family | Blues |
| Lightness | very light (92%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.58:1 |
| White text | 1.26:1 |
Values
| HEX | #CBE9FB |
| RGB | rgb(203, 233, 251) |
| HSL | hsl(203, 86%, 89%) |
| OKLCH | oklch(91.8% 0.04 234.2) |
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 #CBE9FB | 1.26:1 | Fails | Lc -15.2 | Dividers and decoration only |
| Black text on #CBE9FB | 16.58:1 | AAA | Lc 90.4 | Preferred for body text |
| #CBE9FB text on white | 1.26:1 | Fails | Lc 13.2 | Not readable |
| #CBE9FB text on black | 16.58:1 | AAA | Lc -90.7 | 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)
#CBE9FB
oklch(91.8% 0.04 234.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300
#A1C7DD
oklch(80.9% 0.051 233.6)
-
Step 400
400
#6BA9CC
oklch(70.6% 0.082 234.4)
-
Step 500
500
#3D93BF
oklch(63% 0.105 234.3)
-
Step 600
600
#0A7DAC
oklch(55.6% 0.115 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#045678
oklch(42.8% 0.088 234.4)
-
Step 900
900
#134760
oklch(37.7% 0.068 234)
-
Step 950
950
#0D2A38
oklch(27% 0.043 232.5)
#CBE9FB 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) | #E1E8FC | 0.028 |
| Deuteranopia (no green cones) | #DAE2FB | 0.025 |
| Tritanopia (no blue cones) | #BEEEEF | 0.029 |
| Achromatopsia (no color) | #E4E4E4 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBE9FB
#CBE9FB
oklch(91.8% 0.04 234.2)
- #FADDCB
#FADDCB
oklch(91.7% 0.04 53.9)
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 #CBE9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.028
- Lavender #E6E6FA ΔE 0.034
- Pale Sky Blue #BDF6FE ΔE 0.035
- Pale Silver #D8E2DC ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.042
- Platinum #E0E1DD ΔE 0.044
- Gainsboro #DCDCDC ΔE 0.046
- Powder Blue #B0E0E6 ΔE 0.049
Use #CBE9FB 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.