#C1EFF8
Closest named color: Diamond (#B9F2FF). oklch(92.3% 0.049 210.9), rgb(193, 239, 248).
Aa
Black text reads best on this color (16.96:1).
About this color
#C1EFF8 is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.049 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.012 away. Black text reads best on it, at 16.96:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 16.96:1 |
| White text | 1.23:1 |
Values
| HEX | #C1EFF8 |
| RGB | rgb(193, 239, 248) |
| HSL | hsl(190, 80%, 86%) |
| OKLCH | oklch(92.3% 0.049 210.9) |
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 #C1EFF8 | 1.23:1 | Fails | Lc -13.6 | Not readable |
| Black text on #C1EFF8 | 16.96:1 | AAA | Lc 91.8 | Preferred for body text |
| #C1EFF8 text on white | 1.23:1 | Fails | Lc 11.7 | Not readable |
| #C1EFF8 text on black | 16.96:1 | AAA | Lc -92.3 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100 (this color)
#C1EFF8
oklch(92.3% 0.049 210.9)
-
Step 200
200
#C0E0E6
oklch(88.5% 0.035 210.2)
-
Step 300
300
#91CCD8
oklch(80.9% 0.063 211.6)
-
Step 400
400
#45B1C4
oklch(70.6% 0.101 211.2)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#C1EFF8 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) | #E7EBF9 | 0.047 |
| Deuteranopia (no green cones) | #DDE4F8 | 0.042 |
| Tritanopia (no blue cones) | #B0F3F2 | 0.024 |
| Achromatopsia (no color) | #E7E7E7 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1EFF8
#C1EFF8
oklch(92.3% 0.049 210.9)
- #FFDCD6
#FFDCD6
oklch(92.2% 0.04 29.4)
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 #C1EFF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.012
- Pale Sky Blue #BDF6FE ΔE 0.018
- Pale Turquoise #AFEEEE ΔE 0.026
- Duck Egg Blue #C3FBF4 ΔE 0.035
- Pale Cyan #B7FFFA ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.043
- Eggshell Blue #C4FFF7 ΔE 0.044
- Light Light Blue #CAFFFB ΔE 0.044
Use #C1EFF8 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.