#90AEEA
Closest named color: Carolina Blue (#8AB8FE). oklch(75.1% 0.093 263.8), rgb(144, 174, 234).
Aa
Black text reads best on this color (9.42:1).
About this color
#90AEEA is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.093 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.034 away. Black text reads best on it, at 9.42:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.42:1 |
| White text | 2.22:1 |
Values
| HEX | #90AEEA |
| RGB | rgb(144, 174, 234) |
| HSL | hsl(220, 68%, 74%) |
| OKLCH | oklch(75.1% 0.093 263.8) |
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 #90AEEA | 2.22:1 | Fails | Lc -48.6 | Large or bold text, headings |
| Black text on #90AEEA | 9.42:1 | AAA | Lc 60.1 | Content text, not long reading |
| #90AEEA text on white | 2.22:1 | Fails | Lc 43.8 | Non-text elements, placeholder text |
| #90AEEA text on black | 9.42:1 | AAA | Lc -58.3 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#ADC1E7
oklch(80.9% 0.058 263.2)
-
Step 400
400 (this color)
#90AEEA
oklch(75.1% 0.093 263.8)
-
Step 500
500
#6488D1
oklch(63.2% 0.118 263.4)
-
Step 600
600
#4B70BF
oklch(55.6% 0.13 263.8)
-
Step 700
700
#3C5DA4
oklch(49% 0.12 263.8)
-
Step 800
800
#324D85
oklch(42.8% 0.099 263.4)
-
Step 900
900
#2C406B
oklch(37.7% 0.078 264.1)
-
Step 950
950
#1A263E
oklch(27% 0.048 263.3)
#90AEEA 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) | #99B2ED | 0.017 |
| Deuteranopia (no green cones) | #90AAE9 | 0.010 |
| Tritanopia (no blue cones) | #73BAC3 | 0.082 |
| Achromatopsia (no color) | #AEAEAE | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AEEA
#90AEEA
oklch(75.1% 0.093 263.8)
- #CAA967
#CAA967
oklch(75% 0.093 83.7)
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 #90AEEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.034
- Pastel Blue #A2BFFE ΔE 0.055
- Light Grey Blue #9DBCD4 ΔE 0.060
- Light Cornflower Blue #98C1D9 ΔE 0.065
- Periwinkle Blue #8F99FB ΔE 0.066
- Lightblue #7BC8F6 ΔE 0.068
- Sky #82CAFC ΔE 0.072
- Cloudy Blue #ACC2D9 ΔE 0.077
Use #90AEEA 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.