#90BAE4
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.4% 0.075 248.8), rgb(144, 186, 228).
Aa
Black text reads best on this color (10.32:1).
About this color
#90BAE4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.075 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.029 away. Black text reads best on it, at 10.32:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.32:1 |
| White text | 2.03:1 |
Values
| HEX | #90BAE4 |
| RGB | rgb(144, 186, 228) |
| HSL | hsl(210, 61%, 73%) |
| OKLCH | oklch(77.4% 0.075 248.8) |
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 #90BAE4 | 2.03:1 | Fails | Lc -44.0 | Non-text elements, placeholder text |
| Black text on #90BAE4 | 10.32:1 | AAA | Lc 64.4 | Content text, not long reading |
| #90BAE4 text on white | 2.03:1 | Fails | Lc 39.5 | Non-text elements, placeholder text |
| #90BAE4 text on black | 10.32:1 | AAA | Lc -62.8 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFEBF8
oklch(93.5% 0.022 250.2)
-
Step 200
200
#C4DCF4
oklch(88.4% 0.042 248.3)
-
Step 300
300 (this color)
#90BAE4
oklch(77.4% 0.075 248.8)
-
Step 400
400
#60A6E8
oklch(70.7% 0.12 248.6)
-
Step 500
500
#2A8EE1
oklch(63.1% 0.153 248.6)
-
Step 600
600
#0076C7
oklch(55.5% 0.153 248.9)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900
#044474
oklch(37.8% 0.1 248.5)
-
Step 950
950
#082844
oklch(27% 0.064 249)
#90BAE4 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) | #AABBE6 | 0.033 |
| Deuteranopia (no green cones) | #9FB2E3 | 0.026 |
| Tritanopia (no blue cones) | #74C4C8 | 0.064 |
| Achromatopsia (no color) | #B6B6B6 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90BAE4
#90BAE4
oklch(77.4% 0.075 248.8)
- #D6AD81
#D6AD81
oklch(77.4% 0.076 68.3)
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 #90BAE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.030
- Carolina Blue #8AB8FE ΔE 0.040
- Lightblue #7BC8F6 ΔE 0.041
- Pastel Blue #A2BFFE ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.047
- Sky #82CAFC ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.052
Use #90BAE4 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.