#90CCEB
Closest named color: Sky Blue (#87CEEB). oklch(81.5% 0.075 231.4), rgb(144, 204, 235).
Aa
Black text reads best on this color (12.02:1).
About this color
#90CCEB is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.075 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.010 away. Black text reads best on it, at 12.02:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.02:1 |
| White text | 1.74:1 |
Values
| HEX | #90CCEB |
| RGB | rgb(144, 204, 235) |
| HSL | hsl(200, 69%, 74%) |
| OKLCH | oklch(81.5% 0.075 231.4) |
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 #90CCEB | 1.74:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #90CCEB | 12.02:1 | AAA | Lc 72.1 | Content text, not long reading |
| #90CCEB text on white | 1.74:1 | Fails | Lc 31.8 | Non-text elements, placeholder text |
| #90CCEB text on black | 12.02:1 | AAA | Lc -71.0 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF6
oklch(93.6% 0.022 230.5)
-
Step 200
200
#BEDFF0
oklch(88.5% 0.042 230.2)
-
Step 300
300 (this color)
#90CCEB
oklch(81.5% 0.075 231.4)
-
Step 400
400
#3FADDE
oklch(70.6% 0.121 231.5)
-
Step 500
500
#0096C8
oklch(63.1% 0.127 231)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005776
oklch(42.8% 0.087 231.2)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#90CCEB 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) | #BDCAED | 0.053 |
| Deuteranopia (no green cones) | #B0BFEB | 0.048 |
| Tritanopia (no blue cones) | #6ED5D6 | 0.055 |
| Achromatopsia (no color) | #C4C4C4 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CCEB
#90CCEB
oklch(81.5% 0.075 231.4)
- #EBB596
#EBB596
oklch(81.5% 0.076 51.2)
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 #90CCEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.010
- Light Sky Blue #87CEFA ΔE 0.021
- Sky #82CAFC ΔE 0.029
- Lightblue #7BC8F6 ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.040
Use #90CCEB 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.