#5B59AC
Closest named color: Iris (#6258C4). oklch(50.7% 0.129 281.9), rgb(91, 89, 172).
Aa
White text reads best on this color (6.05:1).
About this color
#5B59AC is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.129 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.040 away. White text reads best on it, at 6.05:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #5B59AC |
| RGB | rgb(91, 89, 172) |
| HSL | hsl(241, 33%, 51%) |
| OKLCH | oklch(50.7% 0.129 281.9) |
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 #5B59AC | 6.05:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #5B59AC | 3.46:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #5B59AC text on white | 6.05:1 | AA | Lc 80.1 | Fine for body text |
| #5B59AC text on black | 3.46:1 | AA large text | Lc -21.8 | 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
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D5D7F0
oklch(88.5% 0.034 282)
-
Step 300
300
#B9BCE9
oklch(80.8% 0.063 281.9)
-
Step 400
400
#9699DD
oklch(70.7% 0.099 281.6)
-
Step 500
500
#7E7ED4
oklch(63.1% 0.128 282.1)
-
Step 600
600
#6866C1
oklch(55.6% 0.138 281.9)
-
Step 700
700 (this color)
#5B59AC
oklch(50.7% 0.129 281.9)
-
Step 800
800
#474587
oklch(42.6% 0.107 282.2)
-
Step 900
900
#3B3B6C
oklch(37.7% 0.083 281.7)
-
Step 950
950
#22233F
oklch(27% 0.052 280.8)
#5B59AC 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) | #3665AF | 0.051 |
| Deuteranopia (no green cones) | #3160AA | 0.052 |
| Tritanopia (no blue cones) | #3F6B7A | 0.112 |
| Achromatopsia (no color) | #636363 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B59AC
#5B59AC
oklch(50.7% 0.129 281.9)
- #726700
#726700
oklch(50.8% 0.106 102.1)
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 #5B59AC, closest first.
No curated palette has a color within ΔE 0.04 of #5B59AC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.053
- French Blue #436BAD ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.057
- Twilight #4E518B ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.062
Use #5B59AC 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.