#90DAFB
Closest named color: Baby Blue (#A2CFFE). oklch(85.2% 0.087 227.9), rgb(144, 218, 251).
Aa
Black text reads best on this color (13.60:1).
About this color
#90DAFB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.087 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.035 away. Black text reads best on it, at 13.60:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.60:1 |
| White text | 1.54:1 |
Values
| HEX | #90DAFB |
| RGB | rgb(144, 218, 251) |
| HSL | hsl(199, 93%, 77%) |
| OKLCH | oklch(85.2% 0.087 227.9) |
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 #90DAFB | 1.54:1 | Fails | Lc -28.2 | Dividers and decoration only |
| Black text on #90DAFB | 13.60:1 | AAA | Lc 78.8 | Fine for body text |
| #90DAFB text on white | 1.54:1 | Fails | Lc 24.9 | Dividers and decoration only |
| #90DAFB text on black | 13.60:1 | AAA | Lc -78.2 | 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 200.
-
Step 50
50
#ECF8FD
oklch(97.2% 0.014 224.5)
-
Step 100
100
#D5EFFB
oklch(93.7% 0.032 227.2)
-
Step 200
200 (this color)
#90DAFB
oklch(85.2% 0.087 227.9)
-
Step 300
300
#6ACFF9
oklch(81% 0.111 227.7)
-
Step 400
400
#00B0E3
oklch(70.7% 0.137 227.7)
-
Step 500
500
#0097C3
oklch(63.1% 0.123 227.5)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#90DAFB 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) | #C9D7FD | 0.065 |
| Deuteranopia (no green cones) | #B9CBFB | 0.057 |
| Tritanopia (no blue cones) | #63E4E4 | 0.062 |
| Achromatopsia (no color) | #D0D0D0 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DAFB
#90DAFB
oklch(85.2% 0.087 227.9)
- #FEBE9D
#FEBE9D
oklch(85.2% 0.086 48.4)
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 #90DAFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.035
- Light Sky Blue #87CEFA ΔE 0.035
- Sky Blue #87CEEB ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.039
- Sky #82CAFC ΔE 0.048
- Celeste #A8DADC ΔE 0.048
- Powder Blue #B0E0E6 ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.055
Use #90DAFB 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.