#CEF3FA
Closest named color: Pale Sky Blue (#BDF6FE). oklch(94% 0.039 210.3), rgb(206, 243, 250).
Aa
Black text reads best on this color (17.82:1).
About this color
#CEF3FA is a very light, muted teal or cyan. In OKLCH its lightness is 94%, its chroma 0.039 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.019 away. Black text reads best on it, at 17.82:1.
| Hue family | Teals and cyans |
| Lightness | very light (94%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.82:1 |
| White text | 1.17:1 |
Values
| HEX | #CEF3FA |
| RGB | rgb(206, 243, 250) |
| HSL | hsl(190, 81%, 89%) |
| OKLCH | oklch(94% 0.039 210.3) |
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 #CEF3FA | 1.17:1 | Fails | Lc -10.0 | Not readable |
| Black text on #CEF3FA | 17.82:1 | AAA | Lc 95.0 | Preferred for body text |
| #CEF3FA text on white | 1.17:1 | Fails | Lc 8.6 | Not readable |
| #CEF3FA text on black | 17.82:1 | AAA | Lc -95.7 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100 (this color)
#CEF3FA
oklch(94% 0.039 210.3)
-
Step 200
200
#C5DFE3
oklch(88.6% 0.028 207.8)
-
Step 300
300
#9BCAD3
oklch(80.9% 0.051 210.6)
-
Step 400
400
#5EAFBD
oklch(70.8% 0.082 210)
-
Step 500
500
#1C9AAC
oklch(63.1% 0.104 210.1)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#052C32
oklch(27% 0.043 210.1)
#CEF3FA 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) | #ECF0FA | 0.037 |
| Deuteranopia (no green cones) | #E5EAFA | 0.035 |
| Tritanopia (no blue cones) | #C1F7F5 | 0.021 |
| Achromatopsia (no color) | #ECECEC | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF3FA
#CEF3FA
oklch(94% 0.039 210.3)
- #FFE4DF
#FFE4DF
oklch(93.9% 0.031 30.2)
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 #CEF3FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.019
- Diamond #B9F2FF ΔE 0.025
- Duck Egg Blue #C3FBF4 ΔE 0.028
- Pale Blue #D0FEFE ΔE 0.028
- Light Light Blue #CAFFFB ΔE 0.031
- Really Light Blue #D4FFFF ΔE 0.032
- Very Light Blue #D5FFFF ΔE 0.032
- Very Pale Blue #D6FFFE ΔE 0.033
Use #CEF3FA 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.