#C5DDEE
Closest named color: Powder Blue (#B0E0E6). oklch(88.5% 0.035 238.7), rgb(197, 221, 238).
Aa
Black text reads best on this color (14.95:1).
About this color
#C5DDEE is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.035 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.030 away. Black text reads best on it, at 14.95:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.95:1 |
| White text | 1.40:1 |
Values
| HEX | #C5DDEE |
| RGB | rgb(197, 221, 238) |
| HSL | hsl(205, 55%, 85%) |
| OKLCH | oklch(88.5% 0.035 238.7) |
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 #C5DDEE | 1.40:1 | Fails | Lc -22.3 | Dividers and decoration only |
| Black text on #C5DDEE | 14.95:1 | AAA | Lc 84.1 | Fine for body text |
| #C5DDEE text on white | 1.40:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #C5DDEE text on black | 14.95:1 | AAA | Lc -83.9 | 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
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200 (this color)
#C5DDEE
oklch(88.5% 0.035 238.7)
-
Step 300
300
#A7C5DB
oklch(80.8% 0.045 239.9)
-
Step 400
400
#76A7C9
oklch(70.6% 0.072 239.4)
-
Step 500
500
#5091BB
oklch(63.1% 0.092 238.9)
-
Step 600
600
#317BA7
oklch(55.7% 0.1 238.5)
-
Step 700
700
#23678F
oklch(49% 0.093 238.9)
-
Step 800
800
#1F5474
oklch(42.6% 0.077 238.9)
-
Step 900
900
#20465E
oklch(37.8% 0.06 238.8)
-
Step 950
950
#142937
oklch(27% 0.038 239.4)
#C5DDEE 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) | #D6DCEF | 0.022 |
| Deuteranopia (no green cones) | #D0D8EE | 0.018 |
| Tritanopia (no blue cones) | #BAE1E2 | 0.027 |
| Achromatopsia (no color) | #DADADA | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DDEE
#C5DDEE
oklch(88.5% 0.035 238.7)
- #EBD4C3
#EBD4C3
oklch(88.4% 0.034 58.8)
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 #C5DDEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.030
- Cadet Gray #CED4DA ΔE 0.030
- Light Blue #ADD8E6 ΔE 0.035
- Gainsboro #DCDCDC ΔE 0.036
- Light Gray #D3D3D3 ΔE 0.039
- Pale Silver #D8E2DC ΔE 0.039
- Platinum #E0E1DD ΔE 0.044
- Celeste #A8DADC ΔE 0.045
Use #C5DDEE 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.