#90BDEC
Closest named color: Lightblue (#7BC8F6). oklch(78.3% 0.083 250), rgb(144, 189, 236).
Aa
Black text reads best on this color (10.67:1).
About this color
#90BDEC is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.083 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.033 away. Black text reads best on it, at 10.67:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.67:1 |
| White text | 1.96:1 |
Values
| HEX | #90BDEC |
| RGB | rgb(144, 189, 236) |
| HSL | hsl(211, 71%, 75%) |
| OKLCH | oklch(78.3% 0.083 250) |
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 #90BDEC | 1.96:1 | Fails | Lc -42.2 | Non-text elements, placeholder text |
| Black text on #90BDEC | 10.67:1 | AAA | Lc 66.1 | Content text, not long reading |
| #90BDEC text on white | 1.96:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #90BDEC text on black | 10.67:1 | AAA | Lc -64.6 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFA
oklch(93.7% 0.024 248.1)
-
Step 200
200
#C3DCF7
oklch(88.5% 0.046 250.4)
-
Step 300
300 (this color)
#90BDEC
oklch(78.3% 0.083 250)
-
Step 400
400
#5BA5F0
oklch(70.6% 0.133 250.5)
-
Step 500
500
#1B8DEA
oklch(63.2% 0.168 249.8)
-
Step 600
600
#0076CB
oklch(55.7% 0.158 250)
-
Step 700
700
#0063AB
oklch(49.2% 0.138 249.7)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#004377
oklch(37.7% 0.106 249.9)
-
Step 950
950
#052847
oklch(27.2% 0.069 249.8)
#90BDEC 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) | #ABBEEE | 0.033 |
| Deuteranopia (no green cones) | #A0B5EB | 0.027 |
| Tritanopia (no blue cones) | #70C8CD | 0.071 |
| Achromatopsia (no color) | #B9B9B9 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BDEC
#90BDEC
oklch(78.3% 0.083 250)
- #DBB07E
#DBB07E
oklch(78.4% 0.083 70.4)
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 #90BDEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.033
- Carolina Blue #8AB8FE ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Pastel Blue #A2BFFE ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.036
- Sky #82CAFC ΔE 0.036
- Light Sky Blue #87CEFA ΔE 0.044
- Sky Blue #87CEEB ΔE 0.047
Use #90BDEC 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.