#90A5FC
Closest named color: Periwinkle Blue (#8F99FB). oklch(74.1% 0.128 272.6), rgb(144, 165, 252).
Aa
Black text reads best on this color (8.97:1).
About this color
#90A5FC is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.128 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.031 away. Black text reads best on it, at 8.97:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.97:1 |
| White text | 2.34:1 |
Values
| HEX | #90A5FC |
| RGB | rgb(144, 165, 252) |
| HSL | hsl(228, 95%, 78%) |
| OKLCH | oklch(74.1% 0.128 272.6) |
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 #90A5FC | 2.34:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #90A5FC | 8.97:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #90A5FC text on white | 2.34:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #90A5FC text on black | 8.97:1 | AAA | Lc -56.0 | 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
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AFBEF5
oklch(80.9% 0.08 272.7)
-
Step 400
400 (this color)
#90A5FC
oklch(74.1% 0.128 272.6)
-
Step 500
500
#697FEB
oklch(63.1% 0.163 272.3)
-
Step 600
600
#5365DA
oklch(55.6% 0.179 272.6)
-
Step 700
700
#4453BD
oklch(49.1% 0.166 272.7)
-
Step 800
800
#384599
oklch(42.8% 0.137 272.6)
-
Step 900
900
#2F3B79
oklch(37.7% 0.106 272.1)
-
Step 950
950
#1C2347
oklch(27.1% 0.067 272.9)
#90A5FC 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) | #86AEFF | 0.024 |
| Deuteranopia (no green cones) | #7DA5FA | 0.023 |
| Tritanopia (no blue cones) | #6BB7C5 | 0.115 |
| Achromatopsia (no color) | #A9A9A9 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A5FC
#90A5FC
oklch(74.1% 0.128 272.6)
- #C7A83D
#C7A83D
oklch(74% 0.128 92.6)
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 #90A5FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.031
- Carolina Blue #8AB8FE ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.066
- Cornflower Blue #6495ED ΔE 0.073
- Lavender Blue #8B88F8 ΔE 0.074
- Pastel Blue #A2BFFE ΔE 0.074
- Pastel Purple #CAA0FF ΔE 0.082
- Baby Purple #CA9BF7 ΔE 0.083
Use #90A5FC 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.