#90CBDF
Closest named color: Sky Blue (#87CEEB). oklch(80.9% 0.067 221), rgb(144, 203, 223).
Aa
Black text reads best on this color (11.79:1).
About this color
#90CBDF is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.067 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.018 away. Black text reads best on it, at 11.79:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.79:1 |
| White text | 1.78:1 |
Values
| HEX | #90CBDF |
| RGB | rgb(144, 203, 223) |
| HSL | hsl(195, 55%, 72%) |
| OKLCH | oklch(80.9% 0.067 221) |
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 #90CBDF | 1.78:1 | Fails | Lc -36.8 | Non-text elements, placeholder text |
| Black text on #90CBDF | 11.79:1 | AAA | Lc 71.1 | Content text, not long reading |
| #90CBDF text on white | 1.78:1 | Fails | Lc 32.8 | Non-text elements, placeholder text |
| #90CBDF text on black | 11.79:1 | AAA | Lc -69.9 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DDEDF3
oklch(93.6% 0.019 222.2)
-
Step 200
200
#BFDFEB
oklch(88.4% 0.038 222.5)
-
Step 300
300 (this color)
#90CBDF
oklch(80.9% 0.067 221)
-
Step 400
400
#44B0CF
oklch(70.8% 0.106 220.4)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#90CBDF 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) | #BFC8E0 | 0.056 |
| Deuteranopia (no green cones) | #B3BEDF | 0.051 |
| Tritanopia (no blue cones) | #73D2D1 | 0.043 |
| Achromatopsia (no color) | #C2C2C2 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CBDF
#90CBDF
oklch(80.9% 0.067 221)
- #E7B3A0
#E7B3A0
oklch(80.9% 0.066 41)
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 #90CBDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.018
- Light Cornflower Blue #98C1D9 ΔE 0.026
- Cloudy Blue #ACC2D9 ΔE 0.037
- Light Sky Blue #87CEFA ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.040
- Lightblue #7BC8F6 ΔE 0.041
- Sky #82CAFC ΔE 0.044
Use #90CBDF 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.