#C4EFF8
Closest named color: Diamond (#B9F2FF). oklch(92.5% 0.046 211.8), rgb(196, 239, 248).
Aa
Black text reads best on this color (17.04:1).
About this color
#C4EFF8 is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.046 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.014 away. Black text reads best on it, at 17.04:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.04:1 |
| White text | 1.23:1 |
Values
| HEX | #C4EFF8 |
| RGB | rgb(196, 239, 248) |
| HSL | hsl(190, 79%, 87%) |
| OKLCH | oklch(92.5% 0.046 211.8) |
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 #C4EFF8 | 1.23:1 | Fails | Lc -13.3 | Not readable |
| Black text on #C4EFF8 | 17.04:1 | AAA | Lc 92.1 | Preferred for body text |
| #C4EFF8 text on white | 1.23:1 | Fails | Lc 11.4 | Not readable |
| #C4EFF8 text on black | 17.04:1 | AAA | Lc -92.6 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100 (this color)
#C4EFF8
oklch(92.5% 0.046 211.8)
-
Step 200
200
#C1DFE6
oklch(88.4% 0.033 213.4)
-
Step 300
300
#94CBD7
oklch(80.8% 0.059 212.6)
-
Step 400
400
#4EB0C3
oklch(70.6% 0.095 212.3)
-
Step 500
500
#009AB0
oklch(63% 0.11 212.4)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#C4EFF8 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) | #E7ECF9 | 0.043 |
| Deuteranopia (no green cones) | #DEE4F8 | 0.041 |
| Tritanopia (no blue cones) | #B4F3F2 | 0.024 |
| Achromatopsia (no color) | #E7E7E7 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4EFF8
#C4EFF8
oklch(92.5% 0.046 211.8)
- #FFDDD6
#FFDDD6
oklch(92.4% 0.039 31.6)
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 #C4EFF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.014
- Pale Sky Blue #BDF6FE ΔE 0.018
- Pale Turquoise #AFEEEE ΔE 0.029
- Duck Egg Blue #C3FBF4 ΔE 0.034
- Pale Blue #D0FEFE ΔE 0.042
- Pale Cyan #B7FFFA ΔE 0.042
- Light Light Blue #CAFFFB ΔE 0.043
- Eggshell Blue #C4FFF7 ΔE 0.043
Use #C4EFF8 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.