#90B4E2
Closest named color: Light Grey Blue (#9DBCD4). oklch(76% 0.077 254.8), rgb(144, 180, 226).
Aa
Black text reads best on this color (9.81:1).
About this color
#90B4E2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.077 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.038 away. Black text reads best on it, at 9.81:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.81:1 |
| White text | 2.14:1 |
Values
| HEX | #90B4E2 |
| RGB | rgb(144, 180, 226) |
| HSL | hsl(214, 59%, 73%) |
| OKLCH | oklch(76% 0.077 254.8) |
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 #90B4E2 | 2.14:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #90B4E2 | 9.81:1 | AAA | Lc 62.0 | Content text, not long reading |
| #90B4E2 text on white | 2.14:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #90B4E2 text on black | 9.81:1 | AAA | Lc -60.3 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF6
oklch(88.5% 0.043 255.9)
-
Step 300
300 (this color)
#90B4E2
oklch(76% 0.077 254.8)
-
Step 400
400
#69A3EC
oklch(70.6% 0.124 254.8)
-
Step 500
500
#3D8AE6
oklch(63.1% 0.158 254.8)
-
Step 600
600
#1472D4
oklch(55.6% 0.171 254.6)
-
Step 700
700
#025FB8
oklch(49.2% 0.159 254.7)
-
Step 800
800
#0A4E95
oklch(42.7% 0.132 254.7)
-
Step 900
900
#144177
oklch(37.6% 0.104 255.3)
-
Step 950
950
#0D2745
oklch(27% 0.064 254)
#90B4E2 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) | #A3B6E4 | 0.025 |
| Deuteranopia (no green cones) | #9AAEE1 | 0.019 |
| Tritanopia (no blue cones) | #75BEC3 | 0.068 |
| Achromatopsia (no color) | #B1B1B1 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90B4E2
#90B4E2
oklch(76% 0.077 254.8)
- #CEAA7A
#CEAA7A
oklch(75.9% 0.076 74.2)
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 #90B4E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.038
- Carolina Blue #8AB8FE ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.052
- Lightblue #7BC8F6 ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.058
- Sky #82CAFC ΔE 0.060
- French Gray #ADB5BD ΔE 0.063
Use #90B4E2 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.