#90AEFF
Closest named color: Carolina Blue (#8AB8FE). oklch(76.1% 0.122 268), rgb(144, 174, 255).
Aa
Black text reads best on this color (9.68:1).
About this color
#90AEFF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.122 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.027 away. Black text reads best on it, at 9.68:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.68:1 |
| White text | 2.16:1 |
Values
| HEX | #90AEFF |
| RGB | rgb(144, 174, 255) |
| HSL | hsl(224, 100%, 78%) |
| OKLCH | oklch(76.1% 0.122 268) |
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 #90AEFF | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #90AEFF | 9.68:1 | AAA | Lc 61.4 | Content text, not long reading |
| #90AEFF text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #90AEFF text on black | 9.68:1 | AAA | Lc -59.7 | Large or bold text, headings |
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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300 (this color)
#90AEFF
oklch(76.1% 0.122 268)
-
Step 400
400
#789BFF
oklch(70.8% 0.152 267.9)
-
Step 500
500
#577DFF
oklch(63.1% 0.197 268)
-
Step 600
600
#3A5BFF
oklch(55.6% 0.244 268.1)
-
Step 700
700
#2A41EC
oklch(49.1% 0.252 267.9)
-
Step 800
800
#2238BE
oklch(42.7% 0.208 267.8)
-
Step 900
900
#1F3396
oklch(37.7% 0.163 268.2)
-
Step 950
950
#122058
oklch(27.2% 0.103 268)
#90AEFF 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) | #91B5FF | 0.019 |
| Deuteranopia (no green cones) | #86ACFD | 0.014 |
| Tritanopia (no blue cones) | #68BFCB | 0.110 |
| Achromatopsia (no color) | #B0B0B0 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AEFF
#90AEFF
oklch(76.1% 0.122 268)
- #D2AC4C
#D2AC4C
oklch(76% 0.122 87.5)
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 #90AEFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.027
- Pastel Blue #A2BFFE ΔE 0.053
- Periwinkle Blue #8F99FB ΔE 0.054
- Lightblue #7BC8F6 ΔE 0.075
- Sky #82CAFC ΔE 0.076
- Pastel Purple #CAA0FF ΔE 0.083
- Light Grey Blue #9DBCD4 ΔE 0.084
- Pale Violet #CEAEFA ΔE 0.084
Use #90AEFF 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.