#90CFF7
Closest named color: Light Sky Blue (#87CEFA). oklch(82.6% 0.085 237.1), rgb(144, 207, 247).
Aa
Black text reads best on this color (12.45:1).
About this color
#90CFF7 is a light, moderately saturated blue. In OKLCH its lightness is 83%, its chroma 0.085 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sky Blue (#87CEFA), ΔE 0.011 away. Black text reads best on it, at 12.45:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Light Sky Blue (#87CEFA) |
| Black text | 12.45:1 |
| White text | 1.68:1 |
Values
| HEX | #90CFF7 |
| RGB | rgb(144, 207, 247) |
| HSL | hsl(203, 87%, 77%) |
| OKLCH | oklch(82.6% 0.085 237.1) |
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 #90CFF7 | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #90CFF7 | 12.45:1 | AAA | Lc 74.0 | Content text, not long reading |
| #90CFF7 text on white | 1.68:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #90CFF7 text on black | 12.45:1 | AAA | Lc -73.0 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DBEDF9
oklch(93.6% 0.025 236.8)
-
Step 200
200
#BDDFF5
oklch(88.6% 0.047 236.5)
-
Step 300
300 (this color)
#90CFF7
oklch(82.6% 0.085 237.1)
-
Step 400
400
#35ACEB
oklch(70.8% 0.137 237.1)
-
Step 500
500
#0094D2
oklch(63.2% 0.138 237.1)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#90CFF7 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) | #BDCEF9 | 0.053 |
| Deuteranopia (no green cones) | #AFC2F6 | 0.046 |
| Tritanopia (no blue cones) | #67D9DC | 0.066 |
| Achromatopsia (no color) | #C7C7C7 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CFF7
#90CFF7
oklch(82.6% 0.085 237.1)
- #F1B990
#F1B990
oklch(82.7% 0.085 57.5)
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 #90CFF7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sky Blue #87CEFA ΔE 0.011
- Sky Blue #87CEEB ΔE 0.020
- Sky #82CAFC ΔE 0.023
- Baby Blue #A2CFFE ΔE 0.023
- Lightblue #7BC8F6 ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.048
- Pastel Blue #A2BFFE ΔE 0.049
Use #90CFF7 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.