#CEF7FB
Closest named color: Pale Blue (#D0FEFE). oklch(94.9% 0.042 203.7), rgb(206, 247, 251).
Aa
Black text reads best on this color (18.32:1).
About this color
#CEF7FB is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.042 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Blue (#D0FEFE), ΔE 0.018 away. Black text reads best on it, at 18.32:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Pale Blue (#D0FEFE) |
| Black text | 18.32:1 |
| White text | 1.14:1 |
Values
| HEX | #CEF7FB |
| RGB | rgb(206, 247, 251) |
| HSL | hsl(185, 85%, 90%) |
| OKLCH | oklch(94.9% 0.042 203.7) |
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 #CEF7FB | 1.14:1 | Fails | Lc -8.0 | Not readable |
| Black text on #CEF7FB | 18.32:1 | AAA | Lc 96.8 | Preferred for body text |
| #CEF7FB text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #CEF7FB text on black | 18.32:1 | AAA | Lc -97.7 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100 (this color)
#CEF7FB
oklch(94.9% 0.042 203.7)
-
Step 200
200
#C3DFE2
oklch(88.4% 0.03 204.5)
-
Step 300
300
#97CBD1
oklch(80.8% 0.055 205)
-
Step 400
400
#56B1B9
oklch(70.8% 0.087 203.1)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#CEF7FB 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) | #F0F3FB | 0.042 |
| Deuteranopia (no green cones) | #E8EDFB | 0.039 |
| Tritanopia (no blue cones) | #C1FAF8 | 0.018 |
| Achromatopsia (no color) | #EFEFEF | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CEF7FB
#CEF7FB
oklch(94.9% 0.042 203.7)
- #FFE8E6
#FFE8E6
oklch(94.9% 0.025 23.6)
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 #CEF7FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Blue #D0FEFE ΔE 0.018
- Pale Sky Blue #BDF6FE ΔE 0.020
- Duck Egg Blue #C3FBF4 ΔE 0.021
- Light Light Blue #CAFFFB ΔE 0.021
- Really Light Blue #D4FFFF ΔE 0.022
- Very Light Blue #D5FFFF ΔE 0.023
- Very Pale Blue #D6FFFE ΔE 0.023
- Ice Blue #D7FFFE ΔE 0.024
Use #CEF7FB 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.