#90A0FA
Closest named color: Periwinkle Blue (#8F99FB). oklch(73% 0.132 275), rgb(144, 160, 250).
Aa
Black text reads best on this color (8.59:1).
About this color
#90A0FA is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.132 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.019 away. Black text reads best on it, at 8.59:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.59:1 |
| White text | 2.44:1 |
Values
| HEX | #90A0FA |
| RGB | rgb(144, 160, 250) |
| HSL | hsl(231, 91%, 77%) |
| OKLCH | oklch(73% 0.132 275) |
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 #90A0FA | 2.44:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #90A0FA | 8.59:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #90A0FA text on white | 2.44:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #90A0FA text on black | 8.59:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F8
oklch(88.4% 0.046 276)
-
Step 300
300
#B1BDF6
oklch(80.9% 0.082 275.2)
-
Step 400
400 (this color)
#90A0FA
oklch(73% 0.132 275)
-
Step 500
500
#6E7CED
oklch(63% 0.168 275.2)
-
Step 600
600
#5862DC
oklch(55.5% 0.184 275.1)
-
Step 700
700
#4851BF
oklch(49.2% 0.17 274.7)
-
Step 800
800
#3B439A
oklch(42.7% 0.14 274.8)
-
Step 900
900
#32397B
oklch(37.6% 0.111 275.2)
-
Step 950
950
#1D2248
oklch(27% 0.07 275)
#90A0FA 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) | #80AAFE | 0.029 |
| Deuteranopia (no green cones) | #78A2F8 | 0.029 |
| Tritanopia (no blue cones) | #6DB2C1 | 0.117 |
| Achromatopsia (no color) | #A6A6A6 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A0FA
#90A0FA
oklch(73% 0.132 275)
- #C2A635
#C2A635
oklch(73% 0.131 94.7)
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 #90A0FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.019
- Perrywinkle #8F8CE7 ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.062
- Lavender Blue #8B88F8 ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.065
- Periwinkle #8E82FE ΔE 0.077
- Pale Purple #B790D4 ΔE 0.077
- Baby Purple #CA9BF7 ΔE 0.082
Use #90A0FA 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.