#CBDDEE
Closest named color: Cadet Gray (#CED4DA). oklch(88.9% 0.03 246.6), rgb(203, 221, 238).
Aa
Black text reads best on this color (15.11:1).
About this color
#CBDDEE is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.030 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.030 away. Black text reads best on it, at 15.11:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.11:1 |
| White text | 1.38:1 |
Values
| HEX | #CBDDEE |
| RGB | rgb(203, 221, 238) |
| HSL | hsl(209, 51%, 86%) |
| OKLCH | oklch(88.9% 0.03 246.6) |
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 #CBDDEE | 1.38:1 | Fails | Lc -21.6 | Dividers and decoration only |
| Black text on #CBDDEE | 15.11:1 | AAA | Lc 84.8 | Fine for body text |
| #CBDDEE text on white | 1.38:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #CBDDEE text on black | 15.11:1 | AAA | Lc -84.6 | Fine 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 200.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200 (this color)
#CBDDEE
oklch(88.9% 0.03 246.6)
-
Step 300
300
#ADC4D9
oklch(81% 0.039 245.9)
-
Step 400
400
#81A5C6
oklch(70.7% 0.063 246.5)
-
Step 500
500
#608EB7
oklch(63% 0.08 246.4)
-
Step 600
600
#4678A3
oklch(55.6% 0.086 246.1)
-
Step 700
700
#37658C
oklch(49.2% 0.081 246)
-
Step 800
800
#2E5272
oklch(42.6% 0.068 247)
-
Step 900
900
#2A445C
oklch(37.7% 0.052 247.5)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#CBDDEE 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) | #D7DDEF | 0.016 |
| Deuteranopia (no green cones) | #D2D9EE | 0.013 |
| Tritanopia (no blue cones) | #C2E1E2 | 0.026 |
| Achromatopsia (no color) | #DBDBDB | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBDDEE
#CBDDEE
oklch(88.9% 0.03 246.6)
- #E9D7C6
#E9D7C6
oklch(88.9% 0.03 65.8)
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 #CBDDEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.030
- Gainsboro #DCDCDC ΔE 0.031
- Pale Silver #D8E2DC ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.037
- Light Gray #D3D3D3 ΔE 0.038
- Platinum #E0E1DD ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.042
- Lavender #E6E6FA ΔE 0.046
Use #CBDDEE 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.