#5B59A8
Closest named color: Iris (#6258C4). oklch(50.5% 0.123 282.2), rgb(91, 89, 168).
Aa
White text reads best on this color (6.10:1).
About this color
#5B59A8 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.123 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.046 away. White text reads best on it, at 6.10:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.43:1 |
| White text | 6.10:1 |
Values
| HEX | #5B59A8 |
| RGB | rgb(91, 89, 168) |
| HSL | hsl(242, 31%, 50%) |
| OKLCH | oklch(50.5% 0.123 282.2) |
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 #5B59A8 | 6.10:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #5B59A8 | 3.43:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #5B59A8 text on white | 6.10:1 | AA | Lc 80.3 | Fine for body text |
| #5B59A8 text on black | 3.43:1 | AA large text | Lc -21.5 | 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 700.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EF
oklch(88.5% 0.033 281.9)
-
Step 300
300
#BABDE7
oklch(81% 0.059 281.8)
-
Step 400
400
#9799DB
oklch(70.7% 0.096 282.3)
-
Step 500
500
#7F7FD1
oklch(63.2% 0.122 282.3)
-
Step 600
600
#6967BE
oklch(55.7% 0.132 282.3)
-
Step 700
700 (this color)
#5B59A8
oklch(50.5% 0.123 282.2)
-
Step 800
800
#474685
oklch(42.7% 0.102 281.9)
-
Step 900
900
#3C3B6A
oklch(37.7% 0.079 282.9)
-
Step 950
950
#23233E
oklch(27% 0.05 282.6)
#5B59A8 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) | #3965AB | 0.049 |
| Deuteranopia (no green cones) | #355FA6 | 0.049 |
| Tritanopia (no blue cones) | #426978 | 0.105 |
| Achromatopsia (no color) | #626262 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B59A8
#5B59A8
oklch(50.5% 0.123 282.2)
- #716600
#716600
oklch(50.5% 0.106 102)
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 #5B59A8, closest first.
No curated palette has a color within ΔE 0.04 of #5B59A8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.048
- French Blue #436BAD ΔE 0.053
- Twilight #4E518B ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.063
- Mid Blue #276AB3 ΔE 0.066
- Dusk #4E5481 ΔE 0.067
Use #5B59A8 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.