#90C0EB
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.9% 0.08 246.1), rgb(144, 192, 235).
Aa
Black text reads best on this color (10.92:1).
About this color
#90C0EB is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.080 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.028 away. Black text reads best on it, at 10.92:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.92:1 |
| White text | 1.92:1 |
Values
| HEX | #90C0EB |
| RGB | rgb(144, 192, 235) |
| HSL | hsl(208, 69%, 74%) |
| OKLCH | oklch(78.9% 0.08 246.1) |
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 #90C0EB | 1.92:1 | Fails | Lc -41.0 | Non-text elements, placeholder text |
| Black text on #90C0EB | 10.92:1 | AAA | Lc 67.2 | Content text, not long reading |
| #90C0EB text on white | 1.92:1 | Fails | Lc 36.7 | Non-text elements, placeholder text |
| #90C0EB text on black | 10.92:1 | AAA | Lc -65.8 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200
#C2DDF5
oklch(88.5% 0.044 245.1)
-
Step 300
300 (this color)
#90C0EB
oklch(78.9% 0.08 246.1)
-
Step 400
400
#56A7EB
oklch(70.6% 0.128 246.3)
-
Step 500
500
#008FE5
oklch(63.1% 0.163 246.3)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#004571
oklch(37.8% 0.096 245.5)
-
Step 950
950
#022845
oklch(26.9% 0.068 246.8)
#90C0EB 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) | #AFC0ED | 0.038 |
| Deuteranopia (no green cones) | #A3B7EA | 0.031 |
| Tritanopia (no blue cones) | #70CACE | 0.066 |
| Achromatopsia (no color) | #BBBBBB | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90C0EB
#90C0EB
oklch(78.9% 0.08 246.1)
- #DEB184
#DEB184
oklch(79% 0.079 66.3)
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 #90C0EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Lightblue #7BC8F6 ΔE 0.028
- Sky #82CAFC ΔE 0.031
- Light Grey Blue #9DBCD4 ΔE 0.033
- Pastel Blue #A2BFFE ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.037
- Sky Blue #87CEEB ΔE 0.038
- Carolina Blue #8AB8FE ΔE 0.040
Use #90C0EB 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.