#90AFEB
Closest named color: Carolina Blue (#8AB8FE). oklch(75.4% 0.094 263.2), rgb(144, 175, 235).
Aa
Black text reads best on this color (9.51:1).
About this color
#90AFEB is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.094 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.031 away. Black text reads best on it, at 9.51:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.51:1 |
| White text | 2.20:1 |
Values
| HEX | #90AFEB |
| RGB | rgb(144, 175, 235) |
| HSL | hsl(220, 69%, 74%) |
| OKLCH | oklch(75.4% 0.094 263.2) |
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 #90AFEB | 2.20:1 | Fails | Lc -48.2 | Large or bold text, headings |
| Black text on #90AFEB | 9.51:1 | AAA | Lc 60.6 | Content text, not long reading |
| #90AFEB text on white | 2.20:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #90AFEB text on black | 9.51:1 | AAA | Lc -58.8 | 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)
#90AFEB
oklch(75.4% 0.094 263.2)
-
Step 500
500
#6388D2
oklch(63.2% 0.12 263.2)
-
Step 600
600
#4A70BF
oklch(55.6% 0.13 263.4)
-
Step 700
700
#3B5EA5
oklch(49.2% 0.121 262.9)
-
Step 800
800
#314D85
oklch(42.7% 0.099 262.8)
-
Step 900
900
#2B406B
oklch(37.6% 0.079 263.4)
-
Step 950
950
#19263F
oklch(27% 0.05 262.6)
#90AFEB 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) | #9AB3EE | 0.017 |
| Deuteranopia (no green cones) | #91ABEA | 0.010 |
| Tritanopia (no blue cones) | #72BBC4 | 0.083 |
| Achromatopsia (no color) | #AEAEAE | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AFEB
#90AFEB
oklch(75.4% 0.094 263.2)
- #CCAA68
#CCAA68
oklch(75.4% 0.093 83)
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 #90AFEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.053
- Light Grey Blue #9DBCD4 ΔE 0.058
- Light Cornflower Blue #98C1D9 ΔE 0.064
- Lightblue #7BC8F6 ΔE 0.065
- Periwinkle Blue #8F99FB ΔE 0.068
- Sky #82CAFC ΔE 0.069
- Cloudy Blue #ACC2D9 ΔE 0.075
Use #90AFEB 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.