#90CEFD
Closest named color: Light Sky Blue (#87CEFA). oklch(82.6% 0.092 241.9), rgb(144, 206, 253).
Aa
Black text reads best on this color (12.43:1).
About this color
#90CEFD is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.092 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.011 away. Black text reads best on it, at 12.43:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.43:1 |
| White text | 1.68:1 |
Values
| HEX | #90CEFD |
| RGB | rgb(144, 206, 253) |
| HSL | hsl(206, 96%, 78%) |
| OKLCH | oklch(82.6% 0.092 241.9) |
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 #90CEFD | 1.68:1 | Fails | Lc -33.7 | Non-text elements, placeholder text |
| Black text on #90CEFD | 12.43:1 | AAA | Lc 73.9 | Content text, not long reading |
| #90CEFD text on white | 1.68:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #90CEFD text on black | 12.43:1 | AAA | Lc -72.9 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DBEDFB
oklch(93.7% 0.027 241.2)
-
Step 200
200
#BCDEF9
oklch(88.5% 0.052 242.2)
-
Step 300
300 (this color)
#90CEFD
oklch(82.6% 0.092 241.9)
-
Step 400
400
#37AAF3
oklch(70.7% 0.146 241.7)
-
Step 500
500
#0092DB
oklch(63.2% 0.149 241.7)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#90CEFD 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) | #BACEFF | 0.049 |
| Deuteranopia (no green cones) | #ABC2FC | 0.041 |
| Tritanopia (no blue cones) | #64DADD | 0.076 |
| Achromatopsia (no color) | #C7C7C7 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CEFD
#90CEFD
oklch(82.6% 0.092 241.9)
- #F2B988
#F2B988
oklch(82.7% 0.092 61.7)
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 #90CEFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.011
- Sky #82CAFC ΔE 0.019
- Baby Blue #A2CFFE ΔE 0.020
- Sky Blue #87CEEB ΔE 0.029
- Lightblue #7BC8F6 ΔE 0.029
- Pastel Blue #A2BFFE ΔE 0.043
- Light Steel Blue #B0C4DE ΔE 0.053
- Light Cornflower Blue #98C1D9 ΔE 0.053
Use #90CEFD 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.