#90C8F3
Closest named color: Light Sky Blue (#87CEFA). oklch(81% 0.084 242.1), rgb(144, 200, 243).
Aa
Black text reads best on this color (11.74:1).
About this color
#90C8F3 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.084 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.017 away. Black text reads best on it, at 11.74:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 11.74:1 |
| White text | 1.78:1 |
Values
| HEX | #90C8F3 |
| RGB | rgb(144, 200, 243) |
| HSL | hsl(206, 80%, 76%) |
| OKLCH | oklch(81% 0.084 242.1) |
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 #90C8F3 | 1.78:1 | Fails | Lc -37.0 | Non-text elements, placeholder text |
| Black text on #90C8F3 | 11.74:1 | AAA | Lc 70.9 | Content text, not long reading |
| #90C8F3 text on white | 1.78:1 | Fails | Lc 33.0 | Non-text elements, placeholder text |
| #90C8F3 text on black | 11.74:1 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DCECF9
oklch(93.5% 0.025 242.3)
-
Step 200
200
#BFDEF6
oklch(88.6% 0.047 241.4)
-
Step 300
300 (this color)
#90C8F3
oklch(81% 0.084 242.1)
-
Step 400
400
#46A9ED
oklch(70.6% 0.135 242.3)
-
Step 500
500
#0092DB
oklch(63.2% 0.149 241.7)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679D
oklch(49.2% 0.117 242)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#90C8F3 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) | #B6C8F5 | 0.045 |
| Deuteranopia (no green cones) | #A9BDF2 | 0.038 |
| Tritanopia (no blue cones) | #6BD3D6 | 0.069 |
| Achromatopsia (no color) | #C2C2C2 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90C8F3
#90C8F3
oklch(81% 0.084 242.1)
- #E9B588
#E9B588
oklch(81% 0.085 62.1)
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 #90C8F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.017
- Sky #82CAFC ΔE 0.017
- Lightblue #7BC8F6 ΔE 0.021
- Sky Blue #87CEEB ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.032
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Pastel Blue #A2BFFE ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.044
Use #90C8F3 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.