#90D5FC
Closest named color: Light Sky Blue (#87CEFA). oklch(84.1% 0.088 234), rgb(144, 213, 252).
Aa
Black text reads best on this color (13.10:1).
About this color
#90D5FC is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.088 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.022 away. Black text reads best on it, at 13.10:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 13.10:1 |
| White text | 1.60:1 |
Values
| HEX | #90D5FC |
| RGB | rgb(144, 213, 252) |
| HSL | hsl(202, 95%, 78%) |
| OKLCH | oklch(84.1% 0.088 234) |
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 #90D5FC | 1.60:1 | Fails | Lc -30.5 | Non-text elements, placeholder text |
| Black text on #90D5FC | 13.10:1 | AAA | Lc 76.8 | Fine for body text |
| #90D5FC text on white | 1.60:1 | Fails | Lc 27.0 | Dividers and decoration only |
| #90D5FC text on black | 13.10:1 | AAA | Lc -75.9 | Fine 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 300.
-
Step 50
50
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DAEDF9
oklch(93.6% 0.026 235.4)
-
Step 200
200
#BADFF5
oklch(88.4% 0.049 234.2)
-
Step 300
300 (this color)
#90D5FC
oklch(84.1% 0.088 234)
-
Step 400
400
#20ADEB
oklch(70.6% 0.142 234.5)
-
Step 500
500
#0095CD
oklch(63.1% 0.132 234.2)
-
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
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004865
oklch(37.8% 0.079 233.7)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#90D5FC 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) | #C3D3FE | 0.059 |
| Deuteranopia (no green cones) | #B3C7FB | 0.051 |
| Tritanopia (no blue cones) | #63DFE2 | 0.066 |
| Achromatopsia (no color) | #CCCCCC | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D5FC
#90D5FC
oklch(84.1% 0.088 234)
- #F9BC94
#F9BC94
oklch(84.2% 0.088 54.4)
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 #90D5FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.022
- Baby Blue #A2CFFE ΔE 0.024
- Sky Blue #87CEEB ΔE 0.030
- Sky #82CAFC ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.054
- Celeste #A8DADC ΔE 0.056
Use #90D5FC 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.