#C1D8EA
Closest named color: Cadet Gray (#CED4DA). oklch(87.1% 0.035 241.5), rgb(193, 216, 234).
Aa
Black text reads best on this color (14.27:1).
About this color
#C1D8EA is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.035 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.025 away. Black text reads best on it, at 14.27:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.27:1 |
| White text | 1.47:1 |
Values
| HEX | #C1D8EA |
| RGB | rgb(193, 216, 234) |
| HSL | hsl(206, 49%, 84%) |
| OKLCH | oklch(87.1% 0.035 241.5) |
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 #C1D8EA | 1.47:1 | Fails | Lc -25.3 | Dividers and decoration only |
| Black text on #C1D8EA | 14.27:1 | AAA | Lc 81.4 | Fine for body text |
| #C1D8EA text on white | 1.47:1 | Fails | Lc 22.3 | Dividers and decoration only |
| #C1D8EA text on black | 14.27:1 | AAA | Lc -81.0 | 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
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200 (this color)
#C1D8EA
oklch(87.1% 0.035 241.5)
-
Step 300
300
#A8C5DC
oklch(80.9% 0.045 242.1)
-
Step 400
400
#78A7CA
oklch(70.8% 0.072 241.2)
-
Step 500
500
#5390BC
oklch(63% 0.092 241.6)
-
Step 600
600
#357AA9
oklch(55.7% 0.101 241.6)
-
Step 700
700
#276691
oklch(49% 0.094 242.2)
-
Step 800
800
#225475
oklch(42.8% 0.077 240.8)
-
Step 900
900
#21455F
oklch(37.6% 0.061 242.2)
-
Step 950
950
#142937
oklch(27% 0.038 239.4)
#C1D8EA 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) | #D1D7EB | 0.021 |
| Deuteranopia (no green cones) | #CBD3EA | 0.017 |
| Tritanopia (no blue cones) | #B6DCDE | 0.027 |
| Achromatopsia (no color) | #D5D5D5 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1D8EA
#C1D8EA
oklch(87.1% 0.035 241.5)
- #E6D0BE
#E6D0BE
oklch(87.1% 0.035 61.6)
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 #C1D8EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.025
- Light Blue #ADD8E6 ΔE 0.025
- Powder Blue #B0E0E6 ΔE 0.030
- Light Gray #D3D3D3 ΔE 0.035
- Celeste #A8DADC ΔE 0.039
- Light Blue Grey #B7C9E2 ΔE 0.042
- Gainsboro #DCDCDC ΔE 0.042
- Pale Silver #D8E2DC ΔE 0.048
Use #C1D8EA 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.