#C9F3FA
Closest named color: Pale Sky Blue (#BDF6FE). oklch(93.7% 0.044 208.8), rgb(201, 243, 250).
Aa
Black text reads best on this color (17.68:1).
About this color
#C9F3FA is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.044 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.014 away. Black text reads best on it, at 17.68:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.68:1 |
| White text | 1.18:1 |
Values
| HEX | #C9F3FA |
| RGB | rgb(201, 243, 250) |
| HSL | hsl(189, 83%, 88%) |
| OKLCH | oklch(93.7% 0.044 208.8) |
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 #C9F3FA | 1.18:1 | Fails | Lc -10.6 | Not readable |
| Black text on #C9F3FA | 17.68:1 | AAA | Lc 94.5 | Preferred for body text |
| #C9F3FA text on white | 1.18:1 | Fails | Lc 9.1 | Not readable |
| #C9F3FA text on black | 17.68:1 | AAA | Lc -95.1 | 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)
#C9F3FA
oklch(93.7% 0.044 208.8)
-
Step 200
200
#C2DFE4
oklch(88.4% 0.031 209.2)
-
Step 300
300
#96CBD4
oklch(80.8% 0.056 209.1)
-
Step 400
400
#52B0BF
oklch(70.6% 0.091 209.3)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006D7A
oklch(49% 0.084 209.1)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#C9F3FA 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) | #ECEFFA | 0.043 |
| Deuteranopia (no green cones) | #E3E9FA | 0.039 |
| Tritanopia (no blue cones) | #BAF7F5 | 0.022 |
| Achromatopsia (no color) | #EBEBEB | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9F3FA
#C9F3FA
oklch(93.7% 0.044 208.8)
- #FFE3DE
#FFE3DE
oklch(93.7% 0.032 29.8)
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 #C9F3FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.014
- Diamond #B9F2FF ΔE 0.019
- Duck Egg Blue #C3FBF4 ΔE 0.026
- Pale Blue #D0FEFE ΔE 0.030
- Light Light Blue #CAFFFB ΔE 0.032
- Eggshell Blue #C4FFF7 ΔE 0.033
- Really Light Blue #D4FFFF ΔE 0.035
- Very Light Blue #D5FFFF ΔE 0.035
Use #C9F3FA 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.