#90CCFF
Closest named color: Light Sky Blue (#87CEFA). oklch(82.3% 0.095 245), rgb(144, 204, 255).
Aa
Black text reads best on this color (12.26:1).
About this color
#90CCFF is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.095 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.014 away. Black text reads best on it, at 12.26:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.26:1 |
| White text | 1.71:1 |
Values
| HEX | #90CCFF |
| RGB | rgb(144, 204, 255) |
| HSL | hsl(208, 100%, 78%) |
| OKLCH | oklch(82.3% 0.095 245) |
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 #90CCFF | 1.71:1 | Fails | Lc -34.5 | Non-text elements, placeholder text |
| Black text on #90CCFF | 12.26:1 | AAA | Lc 73.2 | Content text, not long reading |
| #90CCFF text on white | 1.71:1 | Fails | Lc 30.7 | Non-text elements, placeholder text |
| #90CCFF text on black | 12.26:1 | AAA | Lc -72.1 | 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
#EFF7FE
oklch(97.2% 0.013 244.3)
-
Step 100
100
#DBECFB
oklch(93.5% 0.027 244.7)
-
Step 200
200
#BDDEFA
oklch(88.6% 0.052 244)
-
Step 300
300 (this color)
#90CCFF
oklch(82.3% 0.095 245)
-
Step 400
400
#3BA8F8
oklch(70.7% 0.152 245)
-
Step 500
500
#0090E2
oklch(63.1% 0.159 245)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#004570
oklch(37.7% 0.095 244.9)
-
Step 950
950
#002945
oklch(27.1% 0.068 244.5)
#90CCFF 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) | #B7CCFF | 0.045 |
| Deuteranopia (no green cones) | #A8C1FE | 0.037 |
| Tritanopia (no blue cones) | #63D8DD | 0.079 |
| Achromatopsia (no color) | #C6C6C6 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CCFF
#90CCFF
oklch(82.3% 0.095 245)
- #F0B983
#F0B983
oklch(82.4% 0.095 65.4)
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 #90CCFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.014
- Sky #82CAFC ΔE 0.017
- Baby Blue #A2CFFE ΔE 0.022
- Lightblue #7BC8F6 ΔE 0.028
- Sky Blue #87CEEB ΔE 0.033
- Pastel Blue #A2BFFE ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Light Steel Blue #B0C4DE ΔE 0.054
Use #90CCFF 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.