#90C4E1
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79.4% 0.068 233.2), rgb(144, 196, 225).
Aa
Black text reads best on this color (11.16:1).
About this color
#90C4E1 is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.068 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.014 away. Black text reads best on it, at 11.16:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.16:1 |
| White text | 1.88:1 |
Values
| HEX | #90C4E1 |
| RGB | rgb(144, 196, 225) |
| HSL | hsl(201, 57%, 72%) |
| OKLCH | oklch(79.4% 0.068 233.2) |
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 #90C4E1 | 1.88:1 | Fails | Lc -39.8 | Non-text elements, placeholder text |
| Black text on #90C4E1 | 11.16:1 | AAA | Lc 68.3 | Content text, not long reading |
| #90C4E1 text on white | 1.88:1 | Fails | Lc 35.6 | Non-text elements, placeholder text |
| #90C4E1 text on black | 11.16:1 | AAA | Lc -66.9 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200
#C2DEEE
oklch(88.5% 0.037 232.9)
-
Step 300
300 (this color)
#90C4E1
oklch(79.4% 0.068 233.2)
-
Step 400
400
#51ACDA
oklch(70.8% 0.109 233.3)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#90C4E1 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) | #B6C2E3 | 0.046 |
| Deuteranopia (no green cones) | #ABB9E1 | 0.041 |
| Tritanopia (no blue cones) | #74CCCD | 0.051 |
| Achromatopsia (no color) | #BDBDBD | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90C4E1
#90C4E1
oklch(79.4% 0.068 233.2)
- #E0B093
#E0B093
oklch(79.3% 0.069 52.6)
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 #90C4E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.014
- Light Grey Blue #9DBCD4 ΔE 0.026
- Sky Blue #87CEEB ΔE 0.027
- Lightblue #7BC8F6 ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.033
- Light Sky Blue #87CEFA ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.038
- Sky #82CAFC ΔE 0.038
Use #90C4E1 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.