#90BBCD
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.7% 0.052 225.5), rgb(144, 187, 205).
Aa
Black text reads best on this color (10.17:1).
About this color
#90BBCD is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.052 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.020 away. Black text reads best on it, at 10.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.17:1 |
| White text | 2.06:1 |
Values
| HEX | #90BBCD |
| RGB | rgb(144, 187, 205) |
| HSL | hsl(198, 38%, 68%) |
| OKLCH | oklch(76.7% 0.052 225.5) |
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 #90BBCD | 2.06:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #90BBCD | 10.17:1 | AAA | Lc 63.7 | Content text, not long reading |
| #90BBCD text on white | 2.06:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #90BBCD text on black | 10.17:1 | AAA | Lc -62.1 | 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
#C6DEE8
oklch(88.6% 0.029 224.7)
-
Step 300
300 (this color)
#90BBCD
oklch(76.7% 0.052 225.5)
-
Step 400
400
#63ACC8
oklch(70.7% 0.084 224.9)
-
Step 500
500
#2B96BA
oklch(63% 0.107 225.5)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900
#04495E
oklch(37.8% 0.07 225.7)
-
Step 950
950
#082B37
oklch(27.1% 0.045 225.2)
#90BBCD 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) | #B1B9CE | 0.041 |
| Deuteranopia (no green cones) | #A8B1CD | 0.038 |
| Tritanopia (no blue cones) | #7CC1C1 | 0.035 |
| Achromatopsia (no color) | #B4B4B4 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BBCD
#90BBCD
oklch(76.7% 0.052 225.5)
- #D1AA98
#D1AA98
oklch(76.8% 0.052 46.1)
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 #90BBCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.020
- Light Cornflower Blue #98C1D9 ΔE 0.024
- French Gray #ADB5BD ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.056
- Sky Blue #87CEEB ΔE 0.056
- Lightblue #7BC8F6 ΔE 0.060
Use #90BBCD 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.