#90D5FB
Closest named color: Light Sky Blue (#87CEFA). oklch(84.1% 0.087 233.3), rgb(144, 213, 251).
Aa
Black text reads best on this color (13.09:1).
About this color
#90D5FB is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.087 and its hue 233°. 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 13.09:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #90D5FB |
| RGB | rgb(144, 213, 251) |
| HSL | hsl(201, 93%, 77%) |
| OKLCH | oklch(84.1% 0.087 233.3) |
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 #90D5FB | 1.60:1 | Fails | Lc -30.6 | Non-text elements, placeholder text |
| Black text on #90D5FB | 13.09:1 | AAA | Lc 76.7 | Fine for body text |
| #90D5FB text on white | 1.60:1 | Fails | Lc 27.1 | Dividers and decoration only |
| #90D5FB text on black | 13.09:1 | 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
#DAEDF8
oklch(93.5% 0.025 233)
-
Step 200
200
#BADFF5
oklch(88.4% 0.049 234.2)
-
Step 300
300 (this color)
#90D5FB
oklch(84.1% 0.087 233.3)
-
Step 400
400
#20AEE9
oklch(70.8% 0.14 233)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#90D5FB 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) | #C3D3FD | 0.059 |
| Deuteranopia (no green cones) | #B4C7FA | 0.051 |
| Tritanopia (no blue cones) | #64DFE1 | 0.065 |
| Achromatopsia (no color) | #CCCCCC | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D5FB
#90D5FB
oklch(84.1% 0.087 233.3)
- #F9BC95
#F9BC95
oklch(84.2% 0.088 53.8)
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 #90D5FB, 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 0.025
- Sky Blue #87CEEB ΔE 0.029
- Sky #82CAFC ΔE 0.035
- Lightblue #7BC8F6 ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.054
- Celeste #A8DADC ΔE 0.055
Use #90D5FB 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.