#90CCEF
Closest named color: Sky Blue (#87CEEB). oklch(81.7% 0.079 234.6), rgb(144, 204, 239).
Aa
Black text reads best on this color (12.06:1).
About this color
#90CCEF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.079 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.013 away. Black text reads best on it, at 12.06:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.06:1 |
| White text | 1.73:1 |
Values
| HEX | #90CCEF |
| RGB | rgb(144, 204, 239) |
| HSL | hsl(202, 75%, 75%) |
| OKLCH | oklch(81.7% 0.079 234.6) |
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 #90CCEF | 1.73:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #90CCEF | 12.06:1 | AAA | Lc 72.3 | Content text, not long reading |
| #90CCEF text on white | 1.73:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #90CCEF text on black | 12.06:1 | AAA | Lc -71.2 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DCEDF7
oklch(93.6% 0.023 233.4)
-
Step 200
200
#BEDFF2
oklch(88.6% 0.044 233.2)
-
Step 300
300 (this color)
#90CCEF
oklch(81.7% 0.079 234.6)
-
Step 400
400
#3EACE3
oklch(70.6% 0.126 234.7)
-
Step 500
500
#0095CE
oklch(63.2% 0.133 234.7)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004765
oklch(37.6% 0.08 234.9)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#90CCEF 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) | #BCCAF1 | 0.052 |
| Deuteranopia (no green cones) | #AEC0EE | 0.044 |
| Tritanopia (no blue cones) | #6CD5D7 | 0.060 |
| Achromatopsia (no color) | #C4C4C4 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CCEF
#90CCEF
oklch(81.7% 0.079 234.6)
- #ECB693
#ECB693
oklch(81.7% 0.079 54.3)
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 #90CCEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.013
- Light Sky Blue #87CEFA ΔE 0.016
- Sky #82CAFC ΔE 0.025
- Lightblue #7BC8F6 ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.031
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.043
Use #90CCEF 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.