#90D1FA
Closest named color: Light Sky Blue (#87CEFA). oklch(83.2% 0.088 236.9), rgb(144, 209, 250).
Aa
Black text reads best on this color (12.68:1).
About this color
#90D1FA is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.088 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.013 away. Black text reads best on it, at 12.68:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.68:1 |
| White text | 1.65:1 |
Values
| HEX | #90D1FA |
| RGB | rgb(144, 209, 250) |
| HSL | hsl(203, 91%, 77%) |
| OKLCH | oklch(83.2% 0.088 236.9) |
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 #90D1FA | 1.65:1 | Fails | Lc -32.5 | Non-text elements, placeholder text |
| Black text on #90D1FA | 12.68:1 | AAA | Lc 75.0 | Content text, not long reading |
| #90D1FA text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #90D1FA text on black | 12.68:1 | AAA | Lc -74.0 | 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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DBEDF9
oklch(93.6% 0.025 236.8)
-
Step 200
200
#BCDFF6
oklch(88.6% 0.049 236.9)
-
Step 300
300 (this color)
#90D1FA
oklch(83.2% 0.088 236.9)
-
Step 400
400
#2FACEC
oklch(70.7% 0.14 236.9)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#90D1FA 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) | #BED0FC | 0.053 |
| Deuteranopia (no green cones) | #B0C4F9 | 0.047 |
| Tritanopia (no blue cones) | #65DCDE | 0.069 |
| Achromatopsia (no color) | #C9C9C9 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D1FA
#90D1FA
oklch(83.2% 0.088 236.9)
- #F4BA90
#F4BA90
oklch(83.2% 0.087 57.1)
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 #90D1FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.013
- Baby Blue #A2CFFE ΔE 0.021
- Sky Blue #87CEEB ΔE 0.024
- Sky #82CAFC ΔE 0.026
- Lightblue #7BC8F6 ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.052
Use #90D1FA 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.