#C4E7FF
Closest named color: Diamond (#B9F2FF). oklch(91% 0.049 238.1), rgb(196, 231, 255).
Aa
Black text reads best on this color (16.22:1).
About this color
#C4E7FF is a very light, muted blue. In OKLCH its lightness is 91%, its chroma 0.049 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.030 away. Black text reads best on it, at 16.22:1.
| Hue family | Blues |
| Lightness | very light (91%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.22:1 |
| White text | 1.29:1 |
Values
| HEX | #C4E7FF |
| RGB | rgb(196, 231, 255) |
| HSL | hsl(204, 100%, 88%) |
| OKLCH | oklch(91% 0.049 238.1) |
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 #C4E7FF | 1.29:1 | Fails | Lc -16.8 | Dividers and decoration only |
| Black text on #C4E7FF | 16.22:1 | AAA | Lc 89.0 | Fine for body text |
| #C4E7FF text on white | 1.29:1 | Fails | Lc 14.6 | Not readable |
| #C4E7FF text on black | 16.22:1 | AAA | Lc -89.2 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200 (this color)
#C4E7FF
oklch(91% 0.049 238.1)
-
Step 300
300
#9BC7E5
oklch(80.9% 0.063 238.4)
-
Step 400
400
#5FAAD8
oklch(70.8% 0.101 237.4)
-
Step 500
500
#2293CE
oklch(63.1% 0.13 238)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950
#062A3D
oklch(27.1% 0.053 236.9)
#C4E7FF 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) | #DDE6FF | 0.031 |
| Deuteranopia (no green cones) | #D5DFFF | 0.028 |
| Tritanopia (no blue cones) | #B3EDEE | 0.039 |
| Achromatopsia (no color) | #E2E2E2 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4E7FF
#C4E7FF
oklch(91% 0.049 238.1)
- #FCDAC2
#FCDAC2
oklch(91.1% 0.05 57.3)
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 #C4E7FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.030
- Pale Sky Blue #BDF6FE ΔE 0.040
- Lavender #E6E6FA ΔE 0.042
- Pale Turquoise #AFEEEE ΔE 0.042
- Powder Blue #B0E0E6 ΔE 0.045
- Pale Silver #D8E2DC ΔE 0.049
- Gainsboro #DCDCDC ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.052
Use #C4E7FF 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.