#90A1FA
Closest named color: Periwinkle Blue (#8F99FB). oklch(73.2% 0.13 274.5), rgb(144, 161, 250).
Aa
Black text reads best on this color (8.66:1).
About this color
#90A1FA is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.130 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.021 away. Black text reads best on it, at 8.66:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.66:1 |
| White text | 2.42:1 |
Values
| HEX | #90A1FA |
| RGB | rgb(144, 161, 250) |
| HSL | hsl(230, 91%, 77%) |
| OKLCH | oklch(73.2% 0.13 274.5) |
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 #90A1FA | 2.42:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #90A1FA | 8.66:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #90A1FA text on white | 2.42:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #90A1FA text on black | 8.66:1 | AAA | Lc -54.4 | 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
#D0D8F8
oklch(88.6% 0.045 274.4)
-
Step 300
300
#B0BDF6
oklch(80.8% 0.082 274.5)
-
Step 400
400 (this color)
#90A1FA
oklch(73.2% 0.13 274.5)
-
Step 500
500
#6D7DEC
oklch(63.1% 0.166 274.5)
-
Step 600
600
#5763DB
oklch(55.6% 0.182 274.6)
-
Step 700
700
#4851BE
oklch(49.1% 0.169 274.7)
-
Step 800
800
#3B439A
oklch(42.7% 0.14 274.8)
-
Step 900
900
#323A7A
oklch(37.8% 0.108 274.7)
-
Step 950
950
#1D2248
oklch(27% 0.07 275)
#90A1FA 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) | #82ABFE | 0.028 |
| Deuteranopia (no green cones) | #79A2F8 | 0.028 |
| Tritanopia (no blue cones) | #6DB3C2 | 0.116 |
| Achromatopsia (no color) | #A6A6A6 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A1FA
#90A1FA
oklch(73.2% 0.13 274.5)
- #C3A737
#C3A737
oklch(73.3% 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 #90A1FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.021
- Perrywinkle #8F8CE7 ΔE 0.056
- Carolina Blue #8AB8FE ΔE 0.059
- Lavender Blue #8B88F8 ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.066
- Pale Purple #B790D4 ΔE 0.078
- Periwinkle #8E82FE ΔE 0.079
- Baby Purple #CA9BF7 ΔE 0.082
Use #90A1FA 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.