#90ADFB
Closest named color: Carolina Blue (#8AB8FE). oklch(75.7% 0.117 268), rgb(144, 173, 251).
Aa
Black text reads best on this color (9.55:1).
About this color
#90ADFB is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.117 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.028 away. Black text reads best on it, at 9.55:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.55:1 |
| White text | 2.19:1 |
Values
| HEX | #90ADFB |
| RGB | rgb(144, 173, 251) |
| HSL | hsl(224, 93%, 77%) |
| OKLCH | oklch(75.7% 0.117 268) |
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 #90ADFB | 2.19:1 | Fails | Lc -47.9 | Large or bold text, headings |
| Black text on #90ADFB | 9.55:1 | AAA | Lc 60.8 | Content text, not long reading |
| #90ADFB text on white | 2.19:1 | Fails | Lc 43.2 | Non-text elements, placeholder text |
| #90ADFB text on black | 9.55:1 | AAA | Lc -59.0 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ACC0F1
oklch(81% 0.073 267.4)
-
Step 400
400 (this color)
#90ADFB
oklch(75.7% 0.117 268)
-
Step 500
500
#6383E4
oklch(63.2% 0.15 268.2)
-
Step 600
600
#4B6AD2
oklch(55.6% 0.164 268.2)
-
Step 700
700
#3C58B6
oklch(49.1% 0.152 267.9)
-
Step 800
800
#324893
oklch(42.6% 0.126 268.3)
-
Step 900
900
#2B3D75
oklch(37.6% 0.098 268)
-
Step 950
950
#192445
oklch(26.9% 0.063 268.1)
#90ADFB 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) | #91B4FE | 0.018 |
| Deuteranopia (no green cones) | #87ABF9 | 0.013 |
| Tritanopia (no blue cones) | #6BBDC9 | 0.105 |
| Achromatopsia (no color) | #AFAFAF | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90ADFB
#90ADFB
oklch(75.7% 0.117 268)
- #CFAB50
#CFAB50
oklch(75.6% 0.117 87.7)
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 #90ADFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.028
- Periwinkle Blue #8F99FB ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.054
- Lightblue #7BC8F6 ΔE 0.076
- Sky #82CAFC ΔE 0.077
- Light Grey Blue #9DBCD4 ΔE 0.081
- Pastel Purple #CAA0FF ΔE 0.084
- Light Cornflower Blue #98C1D9 ΔE 0.084
Use #90ADFB 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.