#C4EAFB
Closest named color: Diamond (#B9F2FF). oklch(91.5% 0.046 226.7), rgb(196, 234, 251).
Aa
Black text reads best on this color (16.50:1).
About this color
#C4EAFB is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.046 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.022 away. Black text reads best on it, at 16.50:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.50:1 |
| White text | 1.27:1 |
Values
| HEX | #C4EAFB |
| RGB | rgb(196, 234, 251) |
| HSL | hsl(199, 87%, 88%) |
| OKLCH | oklch(91.5% 0.046 226.7) |
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 #C4EAFB | 1.27:1 | Fails | Lc -15.6 | Dividers and decoration only |
| Black text on #C4EAFB | 16.50:1 | AAA | Lc 90.1 | Preferred for body text |
| #C4EAFB text on white | 1.27:1 | Fails | Lc 13.5 | Not readable |
| #C4EAFB text on black | 16.50:1 | AAA | Lc -90.4 | 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)
#C4EAFB
oklch(91.5% 0.046 226.7)
-
Step 200
200
#C3DEEA
oklch(88.4% 0.033 226.4)
-
Step 300
300
#98C9DE
oklch(80.9% 0.059 226.2)
-
Step 400
400
#59ADCE
oklch(70.8% 0.094 226.2)
-
Step 500
500
#0697C1
oklch(63.1% 0.12 226.6)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#022B39
oklch(27% 0.05 226.3)
#C4EAFB 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) | #E1E8FC | 0.036 |
| Deuteranopia (no green cones) | #D9E1FB | 0.033 |
| Tritanopia (no blue cones) | #B4EFEF | 0.031 |
| Achromatopsia (no color) | #E4E4E4 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4EAFB
#C4EAFB
oklch(91.5% 0.046 226.7)
- #FEDACA
#FEDACA
oklch(91.4% 0.046 45.4)
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 #C4EAFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.022
- Pale Sky Blue #BDF6FE ΔE 0.031
- Pale Turquoise #AFEEEE ΔE 0.034
- Lavender #E6E6FA ΔE 0.042
- Pale Silver #D8E2DC ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.044
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Platinum #E0E1DD ΔE 0.049
Use #C4EAFB 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.