#90DCFB
Closest named color: Light Blue (#ADD8E6). oklch(85.6% 0.087 225.7), rgb(144, 220, 251).
Aa
Black text reads best on this color (13.81:1).
About this color
#90DCFB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 86%, its chroma 0.087 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.038 away. Black text reads best on it, at 13.81:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.81:1 |
| White text | 1.51:1 |
Values
| HEX | #90DCFB |
| RGB | rgb(144, 220, 251) |
| HSL | hsl(197, 93%, 77%) |
| OKLCH | oklch(85.6% 0.087 225.7) |
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 #90DCFB | 1.51:1 | Fails | Lc -27.3 | Dividers and decoration only |
| Black text on #90DCFB | 13.81:1 | AAA | Lc 79.7 | Fine for body text |
| #90DCFB text on white | 1.51:1 | Fails | Lc 24.1 | Dividers and decoration only |
| #90DCFB text on black | 13.81:1 | AAA | Lc -79.1 | Fine for body text |
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 200.
-
Step 50
50
#ECF8FD
oklch(97.2% 0.014 224.5)
-
Step 100
100
#D4EFFB
oklch(93.6% 0.033 226.3)
-
Step 200
200 (this color)
#90DCFB
oklch(85.6% 0.087 225.7)
-
Step 300
300
#68CFF7
oklch(80.8% 0.111 226.1)
-
Step 400
400
#00B1E0
oklch(70.8% 0.135 225.5)
-
Step 500
500
#0097C0
oklch(63% 0.12 225.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#90DCFB 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) | #CBD9FD | 0.067 |
| Deuteranopia (no green cones) | #BBCCFB | 0.060 |
| Tritanopia (no blue cones) | #62E5E6 | 0.059 |
| Achromatopsia (no color) | #D1D1D1 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DCFB
#90DCFB
oklch(85.6% 0.087 225.7)
- #FFBFA2
#FFBFA2
oklch(85.6% 0.084 45.5)
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 #90DCFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.038
- Baby Blue #A2CFFE ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.040
- Sky Blue #87CEEB ΔE 0.041
- Celeste #A8DADC ΔE 0.046
- Powder Blue #B0E0E6 ΔE 0.047
- Robin's Egg #6DEDFD ΔE 0.050
- Sky #82CAFC ΔE 0.053
Use #90DCFB 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.