#90CAEA
Closest named color: Sky Blue (#87CEEB). oklch(81% 0.075 233.1), rgb(144, 202, 234).
Aa
Black text reads best on this color (11.82:1).
About this color
#90CAEA is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.075 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.013 away. Black text reads best on it, at 11.82:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.82:1 |
| White text | 1.77:1 |
Values
| HEX | #90CAEA |
| RGB | rgb(144, 202, 234) |
| HSL | hsl(201, 68%, 74%) |
| OKLCH | oklch(81% 0.075 233.1) |
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 #90CAEA | 1.77:1 | Fails | Lc -36.6 | Non-text elements, placeholder text |
| Black text on #90CAEA | 11.82:1 | AAA | Lc 71.2 | Content text, not long reading |
| #90CAEA text on white | 1.77:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #90CAEA text on black | 11.82:1 | AAA | Lc -70.0 | 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
#BFDFF1
oklch(88.6% 0.042 232.6)
-
Step 300
300 (this color)
#90CAEA
oklch(81% 0.075 233.1)
-
Step 400
400
#44ADDF
oklch(70.8% 0.12 232.8)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#90CAEA 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) | #BBC8EC | 0.051 |
| Deuteranopia (no green cones) | #AEBEEA | 0.045 |
| Tritanopia (no blue cones) | #6FD3D4 | 0.056 |
| Achromatopsia (no color) | #C2C2C2 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CAEA
#90CAEA
oklch(81% 0.075 233.1)
- #E9B494
#E9B494
oklch(81% 0.076 52.5)
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 #90CAEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.013
- Light Sky Blue #87CEFA ΔE 0.023
- Lightblue #7BC8F6 ΔE 0.028
- Sky #82CAFC ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.029
- Baby Blue #A2CFFE ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.039
Use #90CAEA 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.