#90D9FA
Closest named color: Light Sky Blue (#87CEFA). oklch(84.9% 0.086 228.2), rgb(144, 217, 250).
Aa
Black text reads best on this color (13.49:1).
About this color
#90D9FA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.086 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.033 away. Black text reads best on it, at 13.49:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 13.49:1 |
| White text | 1.55:1 |
Values
| HEX | #90D9FA |
| RGB | rgb(144, 217, 250) |
| HSL | hsl(199, 91%, 77%) |
| OKLCH | oklch(84.9% 0.086 228.2) |
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 #90D9FA | 1.55:1 | Fails | Lc -28.8 | Dividers and decoration only |
| Black text on #90D9FA | 13.49:1 | AAA | Lc 78.3 | Fine for body text |
| #90D9FA text on white | 1.55:1 | Fails | Lc 25.4 | Dividers and decoration only |
| #90D9FA text on black | 13.49:1 | AAA | Lc -77.6 | 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)
#90D9FA
oklch(84.9% 0.086 228.2)
-
Step 300
300
#6BCFF9
oklch(81% 0.111 227.9)
-
Step 400
400
#00B0E4
oklch(70.7% 0.138 228.2)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
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
#002B3B
oklch(27% 0.053 228.8)
#90D9FA 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) | #C8D6FC | 0.064 |
| Deuteranopia (no green cones) | #B8CAFA | 0.057 |
| Tritanopia (no blue cones) | #63E3E3 | 0.062 |
| Achromatopsia (no color) | #CFCFCF | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90D9FA
#90D9FA
oklch(84.9% 0.086 228.2)
- #FDBD9C
#FDBD9C
oklch(84.9% 0.087 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 #90D9FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.033
- Sky Blue #87CEEB ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.039
- Sky #82CAFC ΔE 0.046
- Celeste #A8DADC ΔE 0.048
- Powder Blue #B0E0E6 ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.053
Use #90D9FA 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.