#90BFDA
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78.1% 0.063 233.8), rgb(144, 191, 218).
Aa
Black text reads best on this color (10.65:1).
About this color
#90BFDA is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.063 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.012 away. Black text reads best on it, at 10.65:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.65:1 |
| White text | 1.97:1 |
Values
| HEX | #90BFDA |
| RGB | rgb(144, 191, 218) |
| HSL | hsl(202, 50%, 71%) |
| OKLCH | oklch(78.1% 0.063 233.8) |
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 #90BFDA | 1.97:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #90BFDA | 10.65:1 | AAA | Lc 65.9 | Content text, not long reading |
| #90BFDA text on white | 1.97:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #90BFDA text on black | 10.65:1 | AAA | Lc -64.4 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C4DEED
oklch(88.6% 0.035 233.1)
-
Step 300
300 (this color)
#90BFDA
oklch(78.1% 0.063 233.8)
-
Step 400
400
#5BABD6
oklch(70.8% 0.101 234.2)
-
Step 500
500
#1195CB
oklch(63.2% 0.129 233.9)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004865
oklch(37.8% 0.079 233.7)
-
Step 950
950
#032A3C
oklch(26.9% 0.053 233.9)
#90BFDA 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) | #B2BDDB | 0.042 |
| Deuteranopia (no green cones) | #A8B5DA | 0.038 |
| Tritanopia (no blue cones) | #77C6C8 | 0.046 |
| Achromatopsia (no color) | #B9B9B9 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BFDA
#90BFDA
oklch(78.1% 0.063 233.8)
- #D8AD92
#D8AD92
oklch(78% 0.063 53.7)
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 #90BFDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.012
- Light Grey Blue #9DBCD4 ΔE 0.017
- Cloudy Blue #ACC2D9 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.040
- Lightblue #7BC8F6 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.043
- Sky #82CAFC ΔE 0.049
- French Gray #ADB5BD ΔE 0.050
Use #90BFDA 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.