#90B9CD
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.3% 0.052 229.3), rgb(144, 185, 205).
Aa
Black text reads best on this color (10.00:1).
About this color
#90B9CD is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.052 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.021 away. Black text reads best on it, at 10.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.00:1 |
| White text | 2.09:1 |
Values
| HEX | #90B9CD |
| RGB | rgb(144, 185, 205) |
| HSL | hsl(200, 38%, 68%) |
| OKLCH | oklch(76.3% 0.052 229.3) |
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 #90B9CD | 2.09:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #90B9CD | 10.00:1 | AAA | Lc 62.9 | Content text, not long reading |
| #90B9CD text on white | 2.09:1 | Fails | Lc 41.0 | Non-text elements, placeholder text |
| #90B9CD text on black | 10.00:1 | AAA | Lc -61.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DDE9
oklch(88.4% 0.03 230.3)
-
Step 300
300 (this color)
#90B9CD
oklch(76.3% 0.052 229.3)
-
Step 400
400
#66ABCB
oklch(70.8% 0.084 229.5)
-
Step 500
500
#3295BD
oklch(63.1% 0.107 229.3)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#0A485F
oklch(37.7% 0.07 229.3)
-
Step 950
950
#0A2A38
oklch(26.9% 0.045 230.7)
#90B9CD 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) | #AFB7CE | 0.039 |
| Deuteranopia (no green cones) | #A6B0CD | 0.035 |
| Tritanopia (no blue cones) | #7DBFBF | 0.037 |
| Achromatopsia (no color) | #B3B3B3 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B9CD
#90B9CD
oklch(76.3% 0.052 229.3)
- #CFA995
#CFA995
oklch(76.4% 0.053 49.3)
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 #90B9CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.021
- Light Cornflower Blue #98C1D9 ΔE 0.027
- French Gray #ADB5BD ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.047
- Cool Steel #97A7B3 ΔE 0.052
- Light Steel Blue #B0C4DE ΔE 0.056
- Dark Gray #A9A9A9 ΔE 0.059
- Sky Blue #87CEEB ΔE 0.060
Use #90B9CD 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.