#90ADFF
Closest named color: Carolina Blue (#8AB8FE). oklch(75.9% 0.123 268.5), rgb(144, 173, 255).
Aa
Black text reads best on this color (9.60:1).
About this color
#90ADFF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.123 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.029 away. Black text reads best on it, at 9.60:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.60:1 |
| White text | 2.18:1 |
Values
| HEX | #90ADFF |
| RGB | rgb(144, 173, 255) |
| HSL | hsl(224, 100%, 78%) |
| OKLCH | oklch(75.9% 0.123 268.5) |
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 #90ADFF | 2.18:1 | Fails | Lc -47.6 | Large or bold text, headings |
| Black text on #90ADFF | 9.60:1 | AAA | Lc 61.0 | Content text, not long reading |
| #90ADFF text on white | 2.18:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #90ADFF text on black | 9.60:1 | AAA | Lc -59.3 | 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 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
#CAD9FF
oklch(88.6% 0.055 268.3)
-
Step 300
300 (this color)
#90ADFF
oklch(75.9% 0.123 268.5)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#597DFF
oklch(63.2% 0.197 268.6)
-
Step 600
600
#3C5AFF
oklch(55.5% 0.245 268.6)
-
Step 700
700
#2D40ED
oklch(49.2% 0.254 268.5)
-
Step 800
800
#2437BF
oklch(42.7% 0.21 268.4)
-
Step 900
900
#203397
oklch(37.8% 0.164 268.5)
-
Step 950
950
#121F58
oklch(26.9% 0.104 268.5)
#90ADFF 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) | #90B5FF | 0.021 |
| Deuteranopia (no green cones) | #85ABFD | 0.015 |
| Tritanopia (no blue cones) | #68BECB | 0.110 |
| Achromatopsia (no color) | #AFAFAF | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90ADFF
#90ADFF
oklch(75.9% 0.123 268.5)
- #D1AC4A
#D1AC4A
oklch(75.9% 0.123 88.3)
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 #90ADFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.029
- Periwinkle Blue #8F99FB ΔE 0.051
- Pastel Blue #A2BFFE ΔE 0.055
- Lightblue #7BC8F6 ΔE 0.078
- Sky #82CAFC ΔE 0.078
- Pastel Purple #CAA0FF ΔE 0.083
- Pale Violet #CEAEFA ΔE 0.085
- Perrywinkle #8F8CE7 ΔE 0.085
Use #90ADFF 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.