#90AFFB
Closest named color: Carolina Blue (#8AB8FE). oklch(76.1% 0.115 266.7), rgb(144, 175, 251).
Aa
Black text reads best on this color (9.71:1).
About this color
#90AFFB is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.115 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.023 away. Black text reads best on it, at 9.71:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #90AFFB |
| RGB | rgb(144, 175, 251) |
| HSL | hsl(223, 93%, 77%) |
| OKLCH | oklch(76.1% 0.115 266.7) |
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 #90AFFB | 2.16:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #90AFFB | 9.71:1 | AAA | Lc 61.5 | Content text, not long reading |
| #90AFFB text on white | 2.16:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #90AFFB text on black | 9.71:1 | AAA | Lc -59.8 | 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 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
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300 (this color)
#90AFFB
oklch(76.1% 0.115 266.7)
-
Step 400
400
#759BFF
oklch(70.6% 0.153 266.8)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#345CFF
oklch(55.5% 0.245 266.9)
-
Step 700
700
#2647E4
oklch(49% 0.238 266.8)
-
Step 800
800
#1F3CB8
oklch(42.6% 0.197 266.7)
-
Step 900
900
#1D3691
oklch(37.7% 0.153 266.8)
-
Step 950
950
#112155
oklch(27% 0.097 266.8)
#90AFFB 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) | #94B5FE | 0.017 |
| Deuteranopia (no green cones) | #89ACF9 | 0.012 |
| Tritanopia (no blue cones) | #6ABFCA | 0.104 |
| Achromatopsia (no color) | #B0B0B0 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90AFFB
#90AFFB
oklch(76.1% 0.115 266.7)
- #D1AC54
#D1AC54
oklch(76% 0.115 86.6)
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 #90AFFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.023
- Pastel Blue #A2BFFE ΔE 0.050
- Periwinkle Blue #8F99FB ΔE 0.058
- Lightblue #7BC8F6 ΔE 0.071
- Sky #82CAFC ΔE 0.072
- Light Grey Blue #9DBCD4 ΔE 0.077
- Light Cornflower Blue #98C1D9 ΔE 0.080
- Light Sky Blue #87CEFA ΔE 0.083
Use #90AFFB 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.