#C4E8F3
Closest named color: Diamond (#B9F2FF). oklch(90.9% 0.04 218.2), rgb(196, 232, 243).
Aa
Black text reads best on this color (16.18:1).
About this color
#C4E8F3 is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.040 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.027 away. Black text reads best on it, at 16.18:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.18:1 |
| White text | 1.29:1 |
Values
| HEX | #C4E8F3 |
| RGB | rgb(196, 232, 243) |
| HSL | hsl(194, 66%, 86%) |
| OKLCH | oklch(90.9% 0.04 218.2) |
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 #C4E8F3 | 1.29:1 | Fails | Lc -17.0 | Dividers and decoration only |
| Black text on #C4E8F3 | 16.18:1 | AAA | Lc 88.9 | Fine for body text |
| #C4E8F3 text on white | 1.29:1 | Fails | Lc 14.7 | Not readable |
| #C4E8F3 text on black | 16.18:1 | AAA | Lc -89.1 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200 (this color)
#C4E8F3
oklch(90.9% 0.04 218.2)
-
Step 300
300
#9BC9D7
oklch(80.8% 0.052 218.4)
-
Step 400
400
#5FADC3
oklch(70.6% 0.083 218.3)
-
Step 500
500
#2098B4
oklch(63% 0.106 218.3)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#062B35
oklch(26.9% 0.044 220.1)
#C4E8F3 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) | #E1E5F4 | 0.037 |
| Deuteranopia (no green cones) | #D9DFF3 | 0.033 |
| Tritanopia (no blue cones) | #B7ECEB | 0.023 |
| Achromatopsia (no color) | #E2E2E2 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4E8F3
#C4E8F3
oklch(90.9% 0.04 218.2)
- #FAD8CE
#FAD8CE
oklch(90.8% 0.04 37)
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 #C4E8F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.027
- Pale Turquoise #AFEEEE ΔE 0.030
- Pale Sky Blue #BDF6FE ΔE 0.035
- Pale Silver #D8E2DC ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.036
- Platinum #E0E1DD ΔE 0.042
- Gainsboro #DCDCDC ΔE 0.043
- Lavender #E6E6FA ΔE 0.045
Use #C4E8F3 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.