#C4E5FF
Closest named color: Diamond (#B9F2FF). oklch(90.6% 0.05 241.9), rgb(196, 229, 255).
Aa
Black text reads best on this color (15.99:1).
About this color
#C4E5FF is a very light, muted blue. In OKLCH its lightness is 91%, its chroma 0.050 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.035 away. Black text reads best on it, at 15.99:1.
| Hue family | Blues |
| Lightness | very light (91%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 15.99:1 |
| White text | 1.31:1 |
Values
| HEX | #C4E5FF |
| RGB | rgb(196, 229, 255) |
| HSL | hsl(206, 100%, 88%) |
| OKLCH | oklch(90.6% 0.05 241.9) |
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 #C4E5FF | 1.31:1 | Fails | Lc -17.8 | Dividers and decoration only |
| Black text on #C4E5FF | 15.99:1 | AAA | Lc 88.2 | Fine for body text |
| #C4E5FF text on white | 1.31:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #C4E5FF text on black | 15.99:1 | AAA | Lc -88.3 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200 (this color)
#C4E5FF
oklch(90.6% 0.05 241.9)
-
Step 300
300
#9DC6E7
oklch(80.8% 0.064 242.9)
-
Step 400
400
#63A8DB
oklch(70.6% 0.103 242.2)
-
Step 500
500
#2E91D1
oklch(63% 0.131 242.1)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#06466B
oklch(37.8% 0.086 241.9)
-
Step 950
950
#09293E
oklch(27% 0.054 241.8)
#C4E5FF 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) | #DAE4FF | 0.027 |
| Deuteranopia (no green cones) | #D3DEFF | 0.025 |
| Tritanopia (no blue cones) | #B4EBED | 0.039 |
| Achromatopsia (no color) | #E1E1E1 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4E5FF
#C4E5FF
oklch(90.6% 0.05 241.9)
- #F9D9BF
#F9D9BF
oklch(90.5% 0.05 61.2)
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 #C4E5FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.035
- Lavender #E6E6FA ΔE 0.043
- Powder Blue #B0E0E6 ΔE 0.044
- Pale Sky Blue #BDF6FE ΔE 0.045
- Pale Turquoise #AFEEEE ΔE 0.046
- Pale Silver #D8E2DC ΔE 0.050
- Gainsboro #DCDCDC ΔE 0.051
- Platinum #E0E1DD ΔE 0.053
Use #C4E5FF 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.