#90CDFE
Closest named color: Light Sky Blue (#87CEFA). oklch(82.5% 0.093 243.5), rgb(144, 205, 254).
Aa
Black text reads best on this color (12.34:1).
About this color
#90CDFE is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.093 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.012 away. Black text reads best on it, at 12.34:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.34:1 |
| White text | 1.70:1 |
Values
| HEX | #90CDFE |
| RGB | rgb(144, 205, 254) |
| HSL | hsl(207, 98%, 78%) |
| OKLCH | oklch(82.5% 0.093 243.5) |
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 #90CDFE | 1.70:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #90CDFE | 12.34:1 | AAA | Lc 73.5 | Content text, not long reading |
| #90CDFE text on white | 1.70:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #90CDFE text on black | 12.34:1 | AAA | Lc -72.5 | 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
#DBECFB
oklch(93.5% 0.027 244.7)
-
Step 200
200
#BDDEF9
oklch(88.5% 0.051 243)
-
Step 300
300 (this color)
#90CDFE
oklch(82.5% 0.093 243.5)
-
Step 400
400
#39A9F6
oklch(70.7% 0.15 243.5)
-
Step 500
500
#0091DE
oklch(63.1% 0.153 243.2)
-
Step 600
600
#007ABC
oklch(55.7% 0.136 243.3)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900
#00456E
oklch(37.6% 0.092 243.7)
-
Step 950
950
#002944
oklch(27% 0.066 243.6)
#90CDFE 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) | #B8CDFF | 0.046 |
| Deuteranopia (no green cones) | #AAC1FD | 0.040 |
| Tritanopia (no blue cones) | #64D9DD | 0.077 |
| Achromatopsia (no color) | #C6C6C6 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CDFE
#90CDFE
oklch(82.5% 0.093 243.5)
- #F1B985
#F1B985
oklch(82.5% 0.094 63.8)
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 #90CDFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.012
- Sky #82CAFC ΔE 0.017
- Baby Blue #A2CFFE ΔE 0.021
- Lightblue #7BC8F6 ΔE 0.028
- Sky Blue #87CEEB ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.053
Use #90CDFE 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.