#90BDD4
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.4% 0.058 230.6), rgb(144, 189, 212).
Aa
Black text reads best on this color (10.41:1).
About this color
#90BDD4 is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.058 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.015 away. Black text reads best on it, at 10.41:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.41:1 |
| White text | 2.01:1 |
Values
| HEX | #90BDD4 |
| RGB | rgb(144, 189, 212) |
| HSL | hsl(200, 44%, 70%) |
| OKLCH | oklch(77.4% 0.058 230.6) |
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 #90BDD4 | 2.01:1 | Fails | Lc -43.6 | Non-text elements, placeholder text |
| Black text on #90BDD4 | 10.41:1 | AAA | Lc 64.8 | Content text, not long reading |
| #90BDD4 text on white | 2.01:1 | Fails | Lc 39.1 | Non-text elements, placeholder text |
| #90BDD4 text on black | 10.41:1 | AAA | Lc -63.3 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DEEB
oklch(88.6% 0.032 230.3)
-
Step 300
300 (this color)
#90BDD4
oklch(77.4% 0.058 230.6)
-
Step 400
400
#5FABD0
oklch(70.7% 0.093 231.2)
-
Step 500
500
#2095C3
oklch(63% 0.118 230.7)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#062A3A
oklch(26.9% 0.049 232.2)
#90BDD4 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) | #B2BBD5 | 0.042 |
| Deuteranopia (no green cones) | #A8B3D4 | 0.038 |
| Tritanopia (no blue cones) | #7AC4C4 | 0.042 |
| Achromatopsia (no color) | #B7B7B7 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BDD4
#90BDD4
oklch(77.4% 0.058 230.6)
- #D5AC95
#D5AC95
oklch(77.5% 0.058 50.8)
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 #90BDD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.015
- Light Cornflower Blue #98C1D9 ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.039
- French Gray #ADB5BD ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.047
- Sky Blue #87CEEB ΔE 0.048
- Lightblue #7BC8F6 ΔE 0.050
- Sky #82CAFC ΔE 0.058
Use #90BDD4 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.