#C5D9EA
Closest named color: Cadet Gray (#CED4DA). oklch(87.6% 0.032 243.7), rgb(197, 217, 234).
Aa
Black text reads best on this color (14.48:1).
About this color
#C5D9EA is a light, muted blue. In OKLCH its lightness is 88%, its chroma 0.032 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.023 away. Black text reads best on it, at 14.48:1.
| Hue family | Blues |
| Lightness | light (88%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.48:1 |
| White text | 1.44:1 |
Values
| HEX | #C5D9EA |
| RGB | rgb(197, 217, 234) |
| HSL | hsl(208, 47%, 85%) |
| OKLCH | oklch(87.6% 0.032 243.7) |
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 #C5D9EA | 1.44:1 | Fails | Lc -24.4 | Dividers and decoration only |
| Black text on #C5D9EA | 14.48:1 | AAA | Lc 82.3 | Fine for body text |
| #C5D9EA text on white | 1.44:1 | Fails | Lc 21.4 | Dividers and decoration only |
| #C5D9EA text on black | 14.48:1 | AAA | Lc -81.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200 (this color)
#C5D9EA
oklch(87.6% 0.032 243.7)
-
Step 300
300
#ABC4DA
oklch(80.9% 0.041 244.9)
-
Step 400
400
#7DA6C7
oklch(70.7% 0.066 243.1)
-
Step 500
500
#5B8FB9
oklch(63.1% 0.085 244.1)
-
Step 600
600
#4079A5
oklch(55.7% 0.091 243.8)
-
Step 700
700
#31668D
oklch(49.2% 0.084 243)
-
Step 800
800
#2A5373
oklch(42.7% 0.071 244.1)
-
Step 900
900
#27455D
oklch(37.8% 0.055 244.1)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#C5D9EA 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) | #D2D9EB | 0.017 |
| Deuteranopia (no green cones) | #CED5EA | 0.015 |
| Tritanopia (no blue cones) | #BCDDDE | 0.026 |
| Achromatopsia (no color) | #D6D6D6 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5D9EA
#C5D9EA
oklch(87.6% 0.032 243.7)
- #E6D2C1
#E6D2C1
oklch(87.6% 0.032 62.8)
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 #C5D9EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.032
- Light Gray #D3D3D3 ΔE 0.033
- Gainsboro #DCDCDC ΔE 0.037
- Celeste #A8DADC ΔE 0.042
- Pale Silver #D8E2DC ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.047
Use #C5D9EA 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.