#90CBDB
Closest named color: Sky Blue (#87CEEB). oklch(80.7% 0.064 216.5), rgb(144, 203, 219).
Aa
Black text reads best on this color (11.75:1).
About this color
#90CBDB is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.064 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.022 away. Black text reads best on it, at 11.75:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.75:1 |
| White text | 1.78:1 |
Values
| HEX | #90CBDB |
| RGB | rgb(144, 203, 219) |
| HSL | hsl(193, 51%, 71%) |
| OKLCH | oklch(80.7% 0.064 216.5) |
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 #90CBDB | 1.78:1 | Fails | Lc -37.0 | Non-text elements, placeholder text |
| Black text on #90CBDB | 11.75:1 | AAA | Lc 70.9 | Content text, not long reading |
| #90CBDB text on white | 1.78:1 | Fails | Lc 33.0 | Non-text elements, placeholder text |
| #90CBDB text on black | 11.75:1 | AAA | Lc -69.7 | Content text, not long reading |
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 300.
-
Step 50
50
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DDEDF2
oklch(93.6% 0.018 218.4)
-
Step 200
200
#C0E0E8
oklch(88.6% 0.035 214.5)
-
Step 300
300 (this color)
#90CBDB
oklch(80.7% 0.064 216.5)
-
Step 400
400
#45B0CA
oklch(70.6% 0.103 216.8)
-
Step 500
500
#009AB5
oklch(63.2% 0.112 216)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#90CBDB 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) | #C0C7DC | 0.058 |
| Deuteranopia (no green cones) | #B4BEDB | 0.052 |
| Tritanopia (no blue cones) | #75D1D0 | 0.037 |
| Achromatopsia (no color) | #C2C2C2 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CBDB
#90CBDB
oklch(80.7% 0.064 216.5)
- #E6B2A3
#E6B2A3
oklch(80.7% 0.065 36.7)
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 #90CBDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.022
- Light Cornflower Blue #98C1D9 ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.040
- Light Steel Blue #B0C4DE ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.043
- Lightblue #7BC8F6 ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.048
Use #90CBDB 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.