#5A63AA
Closest named color: French Blue (#436BAD). oklch(52.5% 0.112 276.4), rgb(90, 99, 170).
Aa
White text reads best on this color (5.52:1).
About this color
#5A63AA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.112 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.033 away. White text reads best on it, at 5.52:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.79:1 |
| White text | 5.52:1 |
Values
| HEX | #5A63AA |
| RGB | rgb(90, 99, 170) |
| HSL | hsl(233, 32%, 51%) |
| OKLCH | oklch(52.5% 0.112 276.4) |
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 #5A63AA | 5.52:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #5A63AA | 3.79:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #5A63AA text on white | 5.52:1 | AA | Lc 77.5 | Fine for body text |
| #5A63AA text on black | 3.79:1 | AA large text | Lc -24.3 | Dividers and decoration only |
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 600.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B7BEE2
oklch(80.8% 0.051 276.5)
-
Step 400
400
#939DD3
oklch(70.8% 0.08 276.1)
-
Step 500
500
#7983C7
oklch(63% 0.103 276.6)
-
Step 600
600 (this color)
#5A63AA
oklch(52.5% 0.112 276.4)
-
Step 700
700
#525A9B
oklch(49.2% 0.104 276.6)
-
Step 800
800
#434A7E
oklch(42.8% 0.086 276.3)
-
Step 900
900
#383E65
oklch(37.7% 0.067 276)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#5A63AA 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) | #486CAD | 0.030 |
| Deuteranopia (no green cones) | #4166A8 | 0.032 |
| Tritanopia (no blue cones) | #3D727E | 0.099 |
| Achromatopsia (no color) | #696969 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A63AA
#5A63AA
oklch(52.5% 0.112 276.4)
- #7D6900
#7D6900
oklch(52.4% 0.108 95.9)
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 #5A63AA, closest first.
No curated palette has a color within ΔE 0.04 of #5A63AA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.033
- Dusky Blue #475F94 ΔE 0.045
- Mid Blue #276AB3 ΔE 0.053
- Flat Blue #3C73A8 ΔE 0.053
- Iris #6258C4 ΔE 0.054
- Muted Blue #3B719F ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.061
- Dull Blue #49759C ΔE 0.062
Use #5A63AA 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.