#C4E9FD
Closest named color: Diamond (#B9F2FF). oklch(91.4% 0.047 231.6), rgb(196, 233, 253).
Aa
Black text reads best on this color (16.42:1).
About this color
#C4E9FD is a very light, muted blue. In OKLCH its lightness is 91%, its chroma 0.047 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.025 away. Black text reads best on it, at 16.42:1.
| Hue family | Blues |
| Lightness | very light (91%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.42:1 |
| White text | 1.27:1 |
Values
| HEX | #C4E9FD |
| RGB | rgb(196, 233, 253) |
| HSL | hsl(201, 93%, 88%) |
| OKLCH | oklch(91.4% 0.047 231.6) |
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 #C4E9FD | 1.27:1 | Fails | Lc -15.9 | Dividers and decoration only |
| Black text on #C4E9FD | 16.42:1 | AAA | Lc 89.8 | Fine for body text |
| #C4E9FD text on white | 1.27:1 | Fails | Lc 13.8 | Not readable |
| #C4E9FD text on black | 16.42:1 | AAA | Lc -90.0 | Preferred 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 100.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100 (this color)
#C4E9FD
oklch(91.4% 0.047 231.6)
-
Step 200
200
#C4DEEC
oklch(88.6% 0.034 231.2)
-
Step 300
300
#99C8E1
oklch(80.8% 0.061 231.7)
-
Step 400
400
#5BABD3
oklch(70.6% 0.098 232.2)
-
Step 500
500
#1396C7
oklch(63.2% 0.124 231.3)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#042A3B
oklch(26.9% 0.052 232.8)
#C4E9FD 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) | #DFE7FE | 0.034 |
| Deuteranopia (no green cones) | #D7E0FD | 0.031 |
| Tritanopia (no blue cones) | #B4EFEF | 0.035 |
| Achromatopsia (no color) | #E3E3E3 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4E9FD
#C4E9FD
oklch(91.4% 0.047 231.6)
- #FDDBC7
#FDDBC7
oklch(91.5% 0.046 52.3)
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 #C4E9FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.025
- Pale Sky Blue #BDF6FE ΔE 0.034
- Pale Turquoise #AFEEEE ΔE 0.038
- Lavender #E6E6FA ΔE 0.042
- Powder Blue #B0E0E6 ΔE 0.045
- Pale Silver #D8E2DC ΔE 0.046
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Platinum #E0E1DD ΔE 0.050
Use #C4E9FD 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.