#C4E6FF
Closest named color: Diamond (#B9F2FF). oklch(90.8% 0.05 240), rgb(196, 230, 255).
Aa
Black text reads best on this color (16.10:1).
About this color
#C4E6FF is a very light, muted blue. In OKLCH its lightness is 91%, its chroma 0.050 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.033 away. Black text reads best on it, at 16.10:1.
| Hue family | Blues |
| Lightness | very light (91%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.10:1 |
| White text | 1.30:1 |
Values
| HEX | #C4E6FF |
| RGB | rgb(196, 230, 255) |
| HSL | hsl(205, 100%, 88%) |
| OKLCH | oklch(90.8% 0.05 240) |
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 #C4E6FF | 1.30:1 | Fails | Lc -17.3 | Dividers and decoration only |
| Black text on #C4E6FF | 16.10:1 | AAA | Lc 88.6 | Fine for body text |
| #C4E6FF text on white | 1.30:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #C4E6FF text on black | 16.10:1 | AAA | Lc -88.8 | 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
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200 (this color)
#C4E6FF
oklch(90.8% 0.05 240)
-
Step 300
300
#9CC7E6
oklch(81% 0.063 239.9)
-
Step 400
400
#61A9DA
oklch(70.7% 0.102 240.1)
-
Step 500
500
#2892D0
oklch(63.1% 0.131 240.2)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557F
oklch(42.8% 0.098 239.8)
-
Step 900
900
#02466A
oklch(37.6% 0.086 240.5)
-
Step 950
950
#07293E
oklch(26.9% 0.055 240.7)
#C4E6FF 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) | #DCE5FF | 0.030 |
| Deuteranopia (no green cones) | #D4DEFF | 0.027 |
| Tritanopia (no blue cones) | #B3ECEE | 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°).
- #C4E6FF
#C4E6FF
oklch(90.8% 0.05 240)
- #FADAC0
#FADAC0
oklch(90.8% 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 #C4E6FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.033
- Lavender #E6E6FA ΔE 0.043
- Pale Sky Blue #BDF6FE ΔE 0.043
- Pale Turquoise #AFEEEE ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.044
- Pale Silver #D8E2DC ΔE 0.049
- Gainsboro #DCDCDC ΔE 0.051
- Platinum #E0E1DD ΔE 0.053
Use #C4E6FF 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.