#90DBFB
Closest named color: Baby Blue (#A2CFFE). oklch(85.4% 0.087 226.8), rgb(144, 219, 251).
Aa
Black text reads best on this color (13.71:1).
About this color
#90DBFB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.087 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.037 away. Black text reads best on it, at 13.71:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.71:1 |
| White text | 1.53:1 |
Values
| HEX | #90DBFB |
| RGB | rgb(144, 219, 251) |
| HSL | hsl(198, 93%, 77%) |
| OKLCH | oklch(85.4% 0.087 226.8) |
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 #90DBFB | 1.53:1 | Fails | Lc -27.8 | Dividers and decoration only |
| Black text on #90DBFB | 13.71:1 | AAA | Lc 79.2 | Fine for body text |
| #90DBFB text on white | 1.53:1 | Fails | Lc 24.5 | Dividers and decoration only |
| #90DBFB text on black | 13.71:1 | AAA | Lc -78.6 | 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)
#90DBFB
oklch(85.4% 0.087 226.8)
-
Step 300
300
#69CFF8
oklch(80.9% 0.111 226.9)
-
Step 400
400
#00B0E2
oklch(70.6% 0.137 227.2)
-
Step 500
500
#0097C2
oklch(63.1% 0.122 226.9)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#90DBFB 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) | #CAD8FD | 0.066 |
| Deuteranopia (no green cones) | #BACBFB | 0.060 |
| Tritanopia (no blue cones) | #62E5E5 | 0.061 |
| Achromatopsia (no color) | #D1D1D1 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DBFB
#90DBFB
oklch(85.4% 0.087 226.8)
- #FFBE9F
#FFBE9F
oklch(85.4% 0.086 46.6)
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 #90DBFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.039
- Celeste #A8DADC ΔE 0.047
- Powder Blue #B0E0E6 ΔE 0.049
- Sky #82CAFC ΔE 0.051
- Robin's Egg #6DEDFD ΔE 0.052
Use #90DBFB 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.