#90A0DF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.7% 0.094 272.9), rgb(144, 160, 223).
Aa
Black text reads best on this color (8.27:1).
About this color
#90A0DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.094 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.049 away. Black text reads best on it, at 8.27:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.27:1 |
| White text | 2.53:1 |
Values
| HEX | #90A0DF |
| RGB | rgb(144, 160, 223) |
| HSL | hsl(228, 55%, 72%) |
| OKLCH | oklch(71.7% 0.094 272.9) |
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 #90A0DF | 2.53:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #90A0DF | 8.27:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #90A0DF text on white | 2.53:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #90A0DF text on black | 8.27:1 | AAA | Lc -52.3 | 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 400.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8EF
oklch(88.5% 0.032 274.1)
-
Step 300
300
#B4BFE7
oklch(81% 0.058 273)
-
Step 400
400 (this color)
#90A0DF
oklch(71.7% 0.094 272.9)
-
Step 500
500
#7283D2
oklch(63.1% 0.121 273.3)
-
Step 600
600
#5B6CBF
oklch(55.7% 0.13 272.8)
-
Step 700
700
#4B59A5
oklch(49.1% 0.122 273.2)
-
Step 800
800
#3D4985
oklch(42.6% 0.1 272.9)
-
Step 900
900
#343E6B
oklch(37.8% 0.078 272.7)
-
Step 950
950
#1E243F
oklch(26.9% 0.051 273)
#90A0DF 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) | #8CA6E2 | 0.016 |
| Deuteranopia (no green cones) | #86A0DD | 0.013 |
| Tritanopia (no blue cones) | #79ACB6 | 0.084 |
| Achromatopsia (no color) | #A3A3A3 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A0DF
#90A0DF
oklch(71.7% 0.094 272.9)
- #B8A25C
#B8A25C
oklch(71.6% 0.094 92.4)
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 #90A0DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.057
- Pale Purple #B790D4 ΔE 0.064
- Carolina Blue #8AB8FE ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.068
- Cool Gray #8D99AE ΔE 0.071
- Bluey Grey #89A0B0 ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.073
Use #90A0DF 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.