#C5DDEF
Closest named color: Powder Blue (#B0E0E6). oklch(88.5% 0.036 240.3), rgb(197, 221, 239).
Aa
Black text reads best on this color (14.96:1).
About this color
#C5DDEF is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.036 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.031 away. Black text reads best on it, at 14.96:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.96:1 |
| White text | 1.40:1 |
Values
| HEX | #C5DDEF |
| RGB | rgb(197, 221, 239) |
| HSL | hsl(206, 57%, 85%) |
| OKLCH | oklch(88.5% 0.036 240.3) |
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 #C5DDEF | 1.40:1 | Fails | Lc -22.3 | Dividers and decoration only |
| Black text on #C5DDEF | 14.96:1 | AAA | Lc 84.2 | Fine for body text |
| #C5DDEF text on white | 1.40:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #C5DDEF text on black | 14.96:1 | 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)
#C5DDEF
oklch(88.5% 0.036 240.3)
-
Step 300
300
#A7C5DC
oklch(80.9% 0.046 241.2)
-
Step 400
400
#76A7CA
oklch(70.7% 0.073 240.2)
-
Step 500
500
#5091BD
oklch(63.2% 0.094 240.1)
-
Step 600
600
#317AA9
oklch(55.5% 0.102 240.6)
-
Step 700
700
#236791
oklch(49.1% 0.095 240.2)
-
Step 800
800
#1F5476
oklch(42.7% 0.079 240.5)
-
Step 900
900
#20465F
oklch(37.8% 0.061 239.9)
-
Step 950
950
#132938
oklch(27% 0.04 240.2)
#C5DDEF 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) | #D6DCF0 | 0.022 |
| Deuteranopia (no green cones) | #D0D8EF | 0.018 |
| Tritanopia (no blue cones) | #BAE1E3 | 0.027 |
| Achromatopsia (no color) | #DADADA | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DDEF
#C5DDEF
oklch(88.5% 0.036 240.3)
- #ECD4C2
#ECD4C2
oklch(88.5% 0.036 59.2)
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 #C5DDEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.031
- Cadet Gray #CED4DA ΔE 0.031
- Light Blue #ADD8E6 ΔE 0.035
- Gainsboro #DCDCDC ΔE 0.037
- Light Gray #D3D3D3 ΔE 0.040
- Pale Silver #D8E2DC ΔE 0.040
- Platinum #E0E1DD ΔE 0.045
- Celeste #A8DADC ΔE 0.046
Use #C5DDEF 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.