#90C3DB
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79% 0.063 228.6), rgb(144, 195, 219).
Aa
Black text reads best on this color (11.01:1).
About this color
#90C3DB is a light, muted teal or cyan. In OKLCH its lightness is 79%, its chroma 0.063 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.010 away. Black text reads best on it, at 11.01:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.01:1 |
| White text | 1.90:1 |
Values
| HEX | #90C3DB |
| RGB | rgb(144, 195, 219) |
| HSL | hsl(199, 51%, 71%) |
| OKLCH | oklch(79% 0.063 228.6) |
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 #90C3DB | 1.90:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #90C3DB | 11.01:1 | AAA | Lc 67.6 | Content text, not long reading |
| #90C3DB text on white | 1.90:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #90C3DB text on black | 11.01:1 | AAA | Lc -66.2 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEEDF4
oklch(93.7% 0.019 227.3)
-
Step 200
200
#C2DEEC
oklch(88.4% 0.035 229.3)
-
Step 300
300 (this color)
#90C3DB
oklch(79% 0.063 228.6)
-
Step 400
400
#54ADD3
oklch(70.8% 0.101 228.6)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA6
oklch(55.7% 0.109 228.5)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#90C3DB 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) | #B7C1DC | 0.048 |
| Deuteranopia (no green cones) | #ACB8DB | 0.043 |
| Tritanopia (no blue cones) | #76CACA | 0.045 |
| Achromatopsia (no color) | #BCBCBC | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90C3DB
#90C3DB
oklch(79% 0.063 228.6)
- #DDAF97
#DDAF97
oklch(78.9% 0.063 48.9)
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 #90C3DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.010
- Light Grey Blue #9DBCD4 ΔE 0.022
- Sky Blue #87CEEB ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.039
- Lightblue #7BC8F6 ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.045
- Sky #82CAFC ΔE 0.046
Use #90C3DB 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.