#90A0DC
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.6% 0.09 272.5), rgb(144, 160, 220).
Aa
Black text reads best on this color (8.24:1).
About this color
#90A0DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.090 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.054 away. Black text reads best on it, at 8.24:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #90A0DC |
| RGB | rgb(144, 160, 220) |
| HSL | hsl(227, 52%, 71%) |
| OKLCH | oklch(71.6% 0.09 272.5) |
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 #90A0DC | 2.54:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #90A0DC | 8.24:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #90A0DC text on white | 2.54:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #90A0DC text on black | 8.24:1 | AAA | Lc -52.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B4BFE6
oklch(80.9% 0.056 272.7)
-
Step 400
400 (this color)
#90A0DC
oklch(71.6% 0.09 272.5)
-
Step 500
500
#7284CF
oklch(63.1% 0.115 272.5)
-
Step 600
600
#5B6CBC
oklch(55.5% 0.126 272.7)
-
Step 700
700
#4B5AA2
oklch(49.1% 0.116 272.6)
-
Step 800
800
#3D4A83
oklch(42.7% 0.096 272.1)
-
Step 900
900
#343E69
oklch(37.6% 0.075 272.4)
-
Step 950
950
#1F253E
oklch(27.2% 0.047 272.6)
#90A0DC 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) | #8DA6DF | 0.016 |
| Deuteranopia (no green cones) | #879FDB | 0.012 |
| Tritanopia (no blue cones) | #7AACB5 | 0.081 |
| Achromatopsia (no color) | #A2A2A2 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A0DC
#90A0DC
oklch(71.6% 0.09 272.5)
- #B7A260
#B7A260
oklch(71.6% 0.089 92.3)
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 #90A0DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.059
- Pale Purple #B790D4 ΔE 0.065
- Cool Gray #8D99AE ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.069
- Carolina Blue #8AB8FE ΔE 0.070
- Greyblue #77A1B5 ΔE 0.070
Use #90A0DC 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.