#90DBEF
Closest named color: Light Blue (#ADD8E6). oklch(84.9% 0.079 216.4), rgb(144, 219, 239).
Aa
Black text reads best on this color (13.56:1).
About this color
#90DBEF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.079 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.031 away. Black text reads best on it, at 13.56:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.56:1 |
| White text | 1.54:1 |
Values
| HEX | #90DBEF |
| RGB | rgb(144, 219, 239) |
| HSL | hsl(193, 75%, 75%) |
| OKLCH | oklch(84.9% 0.079 216.4) |
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 #90DBEF | 1.54:1 | Fails | Lc -28.4 | Dividers and decoration only |
| Black text on #90DBEF | 13.56:1 | AAA | Lc 78.6 | Fine for body text |
| #90DBEF text on white | 1.54:1 | Fails | Lc 25.1 | Dividers and decoration only |
| #90DBEF text on black | 13.56:1 | AAA | Lc -78.0 | 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
#ECF8FB
oklch(97.1% 0.013 214.4)
-
Step 100
100
#D5EFF7
oklch(93.6% 0.029 218.2)
-
Step 200
200 (this color)
#90DBEF
oklch(84.9% 0.079 216.4)
-
Step 300
300
#6BD1EB
oklch(80.9% 0.102 216.6)
-
Step 400
400
#00B3D3
oklch(70.7% 0.126 216.7)
-
Step 500
500
#009AB5
oklch(63.2% 0.112 216)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#90DBEF 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) | #CDD6F0 | 0.070 |
| Deuteranopia (no green cones) | #BECBEF | 0.064 |
| Tritanopia (no blue cones) | #69E3E1 | 0.047 |
| Achromatopsia (no color) | #D0D0D0 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DBEF
#90DBEF
oklch(84.9% 0.079 216.4)
- #FCBCAA
#FCBCAA
oklch(84.9% 0.079 36.3)
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 #90DBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.031
- Celeste #A8DADC ΔE 0.034
- Sky Blue #87CEEB ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.047
- Robin's Egg #6DEDFD ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #90DBEF 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.