#90BDE0
Closest named color: Light Cornflower Blue (#98C1D9). oklch(77.9% 0.069 242.1), rgb(144, 189, 224).
Aa
Black text reads best on this color (10.54:1).
About this color
#90BDE0 is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.069 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.020 away. Black text reads best on it, at 10.54:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.54:1 |
| White text | 1.99:1 |
Values
| HEX | #90BDE0 |
| RGB | rgb(144, 189, 224) |
| HSL | hsl(206, 56%, 72%) |
| OKLCH | oklch(77.9% 0.069 242.1) |
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 #90BDE0 | 1.99:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #90BDE0 | 10.54:1 | AAA | Lc 65.4 | Content text, not long reading |
| #90BDE0 text on white | 1.99:1 | Fails | Lc 38.5 | Non-text elements, placeholder text |
| #90BDE0 text on black | 10.54:1 | AAA | Lc -63.9 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C4DDF1
oklch(88.5% 0.038 242.2)
-
Step 300
300 (this color)
#90BDE0
oklch(77.9% 0.069 242.1)
-
Step 400
400
#5DA9E0
oklch(70.8% 0.111 242)
-
Step 500
500
#1D91D7
oklch(63% 0.142 242.4)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679D
oklch(49.2% 0.117 242)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#052940
oklch(26.9% 0.058 242)
#90BDE0 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) | #AEBDE2 | 0.037 |
| Deuteranopia (no green cones) | #A4B4DF | 0.032 |
| Tritanopia (no blue cones) | #75C6C8 | 0.057 |
| Achromatopsia (no color) | #B8B8B8 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BDE0
#90BDE0
oklch(77.9% 0.069 242.1)
- #D8AE8A
#D8AE8A
oklch(78% 0.069 62.1)
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 #90BDE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.020
- Light Grey Blue #9DBCD4 ΔE 0.021
- Lightblue #7BC8F6 ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.040
- Sky Blue #87CEEB ΔE 0.044
- Sky #82CAFC ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.050
Use #90BDE0 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.