#90AEE7
Closest named color: Carolina Blue (#8AB8FE). oklch(75% 0.089 262.9), rgb(144, 174, 231).
Aa
Black text reads best on this color (9.39:1).
About this color
#90AEE7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.089 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.037 away. Black text reads best on it, at 9.39:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.39:1 |
| White text | 2.23:1 |
Values
| HEX | #90AEE7 |
| RGB | rgb(144, 174, 231) |
| HSL | hsl(219, 64%, 74%) |
| OKLCH | oklch(75% 0.089 262.9) |
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 #90AEE7 | 2.23:1 | Fails | Lc -48.8 | Large or bold text, headings |
| Black text on #90AEE7 | 9.39:1 | AAA | Lc 60.0 | Large or bold text, headings |
| #90AEE7 text on white | 2.23:1 | Fails | Lc 44.0 | Non-text elements, placeholder text |
| #90AEE7 text on black | 9.39:1 | AAA | Lc -58.1 | 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
#CEDAEE
oklch(88.5% 0.03 260.7)
-
Step 300
300
#AEC1E6
oklch(80.9% 0.056 263.7)
-
Step 400
400 (this color)
#90AEE7
oklch(75% 0.089 262.9)
-
Step 500
500
#6488CE
oklch(63% 0.114 262.8)
-
Step 600
600
#4C71BB
oklch(55.6% 0.123 262.9)
-
Step 700
700
#3D5EA2
oklch(49.1% 0.116 263.2)
-
Step 800
800
#324D83
oklch(42.7% 0.096 262.9)
-
Step 900
900
#2C4169
oklch(37.8% 0.074 262.4)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#90AEE7 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) | #9AB2EA | 0.018 |
| Deuteranopia (no green cones) | #91AAE6 | 0.010 |
| Tritanopia (no blue cones) | #74BAC2 | 0.079 |
| Achromatopsia (no color) | #ADADAD | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AEE7
#90AEE7
oklch(75% 0.089 262.9)
- #C9A96B
#C9A96B
oklch(74.9% 0.089 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 #90AEE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.057
- Pastel Blue #A2BFFE ΔE 0.057
- Light Cornflower Blue #98C1D9 ΔE 0.063
- Lightblue #7BC8F6 ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.069
- Sky #82CAFC ΔE 0.072
- Cool Steel #97A7B3 ΔE 0.073
Use #90AEE7 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.