#90BDF4
Closest named color: Carolina Blue (#8AB8FE). oklch(78.7% 0.092 253.8), rgb(144, 189, 244).
Aa
Black text reads best on this color (10.77:1).
About this color
#90BDF4 is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.092 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.024 away. Black text reads best on it, at 10.77:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.77:1 |
| White text | 1.94:1 |
Values
| HEX | #90BDF4 |
| RGB | rgb(144, 189, 244) |
| HSL | hsl(213, 82%, 76%) |
| OKLCH | oklch(78.7% 0.092 253.8) |
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 #90BDF4 | 1.94:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #90BDF4 | 10.77:1 | AAA | Lc 66.5 | Content text, not long reading |
| #90BDF4 text on white | 1.94:1 | Fails | Lc 37.4 | Non-text elements, placeholder text |
| #90BDF4 text on black | 10.77:1 | AAA | Lc -65.0 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C2DCFB
oklch(88.5% 0.051 252.9)
-
Step 300
300 (this color)
#90BDF4
oklch(78.7% 0.092 253.8)
-
Step 400
400
#59A3FA
oklch(70.6% 0.148 253.8)
-
Step 500
500
#1A89F7
oklch(63.1% 0.188 253.7)
-
Step 600
600
#0072D6
oklch(55.6% 0.176 253.8)
-
Step 700
700
#0060B5
oklch(49.2% 0.155 253.6)
-
Step 800
800
#004E96
oklch(42.7% 0.135 253.8)
-
Step 900
900
#00417E
oklch(37.7% 0.118 253.6)
-
Step 950
950
#04264B
oklch(26.9% 0.078 253.9)
#90BDF4 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) | #A8BFF7 | 0.030 |
| Deuteranopia (no green cones) | #9CB5F3 | 0.024 |
| Tritanopia (no blue cones) | #6CC9D0 | 0.080 |
| Achromatopsia (no color) | #BABABA | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BDF4
#90BDF4
oklch(78.7% 0.092 253.8)
- #DDB175
#DDB175
oklch(78.7% 0.093 74.4)
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 #90BDF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.024
- Pastel Blue #A2BFFE ΔE 0.027
- Lightblue #7BC8F6 ΔE 0.034
- Sky #82CAFC ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.047
- Sky Blue #87CEEB ΔE 0.052
Use #90BDF4 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.