#90AEE8
Closest named color: Carolina Blue (#8AB8FE). oklch(75% 0.091 263.2), rgb(144, 174, 232).
Aa
Black text reads best on this color (9.40:1).
About this color
#90AEE8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.091 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.036 away. Black text reads best on it, at 9.40:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.40:1 |
| White text | 2.23:1 |
Values
| HEX | #90AEE8 |
| RGB | rgb(144, 174, 232) |
| HSL | hsl(220, 66%, 74%) |
| OKLCH | oklch(75% 0.091 263.2) |
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 #90AEE8 | 2.23:1 | Fails | Lc -48.7 | Large or bold text, headings |
| Black text on #90AEE8 | 9.40:1 | AAA | Lc 60.0 | Content text, not long reading |
| #90AEE8 text on white | 2.23:1 | Fails | Lc 43.9 | Non-text elements, placeholder text |
| #90AEE8 text on black | 9.40:1 | AAA | Lc -58.2 | 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 400.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#AEC1E6
oklch(80.9% 0.056 263.7)
-
Step 400
400 (this color)
#90AEE8
oklch(75% 0.091 263.2)
-
Step 500
500
#6488CF
oklch(63.1% 0.115 263)
-
Step 600
600
#4B71BC
oklch(55.6% 0.125 262.7)
-
Step 700
700
#3D5EA3
oklch(49.2% 0.117 263.4)
-
Step 800
800
#324D84
oklch(42.7% 0.097 263.2)
-
Step 900
900
#2C406A
oklch(37.6% 0.077 263.8)
-
Step 950
950
#1A263E
oklch(27% 0.048 263.3)
#90AEE8 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) | #9AB2EB | 0.018 |
| Deuteranopia (no green cones) | #91AAE7 | 0.010 |
| Tritanopia (no blue cones) | #74BAC2 | 0.081 |
| Achromatopsia (no color) | #ADADAD | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AEE8
#90AEE8
oklch(75% 0.091 263.2)
- #CAA969
#CAA969
oklch(75% 0.091 83.1)
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 #90AEE8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.036
- Pastel Blue #A2BFFE ΔE 0.056
- Light Grey Blue #9DBCD4 ΔE 0.058
- Light Cornflower Blue #98C1D9 ΔE 0.064
- Lightblue #7BC8F6 ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.068
- Sky #82CAFC ΔE 0.072
- Cool Steel #97A7B3 ΔE 0.075
Use #90AEE8 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.