#90A5DC
Closest named color: Carolina Blue (#8AB8FE). oklch(72.6% 0.084 268.1), rgb(144, 165, 220).
Aa
Black text reads best on this color (8.60:1).
About this color
#90A5DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.084 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.061 away. Black text reads best on it, at 8.60:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.60:1 |
| White text | 2.44:1 |
Values
| HEX | #90A5DC |
| RGB | rgb(144, 165, 220) |
| HSL | hsl(223, 52%, 71%) |
| OKLCH | oklch(72.6% 0.084 268.1) |
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 #90A5DC | 2.44:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #90A5DC | 8.60:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #90A5DC text on white | 2.44:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #90A5DC text on black | 8.60:1 | AAA | Lc -54.0 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B2C0E3
oklch(80.9% 0.052 268)
-
Step 400
400 (this color)
#90A5DC
oklch(72.6% 0.084 268.1)
-
Step 500
500
#6E86CB
oklch(63.1% 0.108 268.6)
-
Step 600
600
#566FB7
oklch(55.6% 0.116 268)
-
Step 700
700
#465D9E
oklch(49.2% 0.108 267.6)
-
Step 800
800
#3A4C80
oklch(42.7% 0.089 268.1)
-
Step 900
900
#324067
oklch(37.8% 0.069 268)
-
Step 950
950
#1D253C
oklch(26.9% 0.045 268.7)
#90A5DC 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) | #93A9DE | 0.012 |
| Deuteranopia (no green cones) | #8CA3DB | 0.008 |
| Tritanopia (no blue cones) | #7AB0B8 | 0.075 |
| Achromatopsia (no color) | #A6A6A6 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A5DC
#90A5DC
oklch(72.6% 0.084 268.1)
- #BCA468
#BCA468
oklch(72.6% 0.083 88.5)
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 #90A5DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.062
- Cool Steel #97A7B3 ΔE 0.063
- Bluegrey #85A3B2 ΔE 0.065
- Bluey Grey #89A0B0 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.068
- Cool Gray #8D99AE ΔE 0.068
- Light Grey Blue #9DBCD4 ΔE 0.071
Use #90A5DC 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.