#90BFEC
Closest named color: Lightblue (#7BC8F6). oklch(78.8% 0.081 247.8), rgb(144, 191, 236).
Aa
Black text reads best on this color (10.84:1).
About this color
#90BFEC is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.081 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.029 away. Black text reads best on it, at 10.84:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.84:1 |
| White text | 1.93:1 |
Values
| HEX | #90BFEC |
| RGB | rgb(144, 191, 236) |
| HSL | hsl(209, 71%, 75%) |
| OKLCH | oklch(78.8% 0.081 247.8) |
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 #90BFEC | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #90BFEC | 10.84:1 | AAA | Lc 66.9 | Content text, not long reading |
| #90BFEC text on white | 1.93:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #90BFEC text on black | 10.84:1 | AAA | Lc -65.4 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200
#C2DDF6
oklch(88.6% 0.045 246.3)
-
Step 300
300 (this color)
#90BFEC
oklch(78.8% 0.081 247.8)
-
Step 400
400
#57A7ED
oklch(70.8% 0.13 247.2)
-
Step 500
500
#0A8EE8
oklch(63.1% 0.167 247.9)
-
Step 600
600
#0077C5
oklch(55.6% 0.149 247.9)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800
#00528A
oklch(42.8% 0.115 247.8)
-
Step 900
900
#004474
oklch(37.7% 0.101 247.8)
-
Step 950
950
#032846
oklch(27% 0.069 248.1)
#90BFEC 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) | #ADC0EE | 0.036 |
| Deuteranopia (no green cones) | #A2B6EB | 0.030 |
| Tritanopia (no blue cones) | #6FC9CE | 0.068 |
| Achromatopsia (no color) | #BABABA | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BFEC
#90BFEC
oklch(78.8% 0.081 247.8)
- #DDB081
#DDB081
oklch(78.7% 0.081 67.4)
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 #90BFEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Sky #82CAFC ΔE 0.033
- Light Grey Blue #9DBCD4 ΔE 0.035
- Pastel Blue #A2BFFE ΔE 0.035
- Carolina Blue #8AB8FE ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.039
- Sky Blue #87CEEB ΔE 0.041
Use #90BFEC 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.