#591E7A
Closest named color: Indigo (#4B0082). oklch(37.4% 0.151 310.3), rgb(89, 30, 122).
Aa
White text reads best on this color (11.10:1).
About this color
#591E7A is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.151 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.051 away. White text reads best on it, at 11.10:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #591E7A |
| RGB | rgb(89, 30, 122) |
| HSL | hsl(278, 61%, 30%) |
| OKLCH | oklch(37.4% 0.151 310.3) |
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 #591E7A | 11.10:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #591E7A | 1.89:1 | Fails | Lc 9.1 | Not readable |
| #591E7A text on white | 11.10:1 | AAA | Lc 94.8 | Preferred for body text |
| #591E7A text on black | 1.89:1 | Fails | Lc -7.8 | Not readable |
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 900.
-
Step 50
50
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F1E4FB
oklch(93.6% 0.034 310.7)
-
Step 200
200
#E6CEF9
oklch(88.5% 0.063 310.1)
-
Step 300
300
#D7ACF7
oklch(80.9% 0.113 310.1)
-
Step 400
400
#C37BF3
oklch(70.6% 0.181 310.2)
-
Step 500
500
#B452EE
oklch(63.1% 0.23 310.3)
-
Step 600
600
#A02ADC
oklch(55.6% 0.251 310.4)
-
Step 700
700
#8918BF
oklch(49.1% 0.233 310.4)
-
Step 800
800
#6F1A9B
oklch(42.7% 0.193 310.2)
-
Step 900
900 (this color)
#591E7A
oklch(37.4% 0.151 310.3)
-
Step 950
950
#351448
oklch(27% 0.096 310.8)
#591E7A 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) | #00397D | 0.127 |
| Deuteranopia (no green cones) | #0B3D78 | 0.125 |
| Tritanopia (no blue cones) | #54334A | 0.103 |
| Achromatopsia (no color) | #3C3C3C | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591E7A
#591E7A
oklch(37.4% 0.151 310.3)
- #2E4B00
#2E4B00
oklch(37.5% 0.101 130.3)
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 #591E7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.051
- Royal Purple #4B006E ΔE 0.055
- Rebecca Purple #663399 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.075
- Purple #800080 ΔE 0.083
- Rich Purple #720058 ΔE 0.084
- Plum Purple #4E0550 ΔE 0.084
Use #591E7A 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.