#6F2591
Closest named color: Rebecca Purple (#663399). oklch(42.9% 0.173 312.7), rgb(111, 37, 145).
Aa
White text reads best on this color (8.93:1).
About this color
#6F2591 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.173 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.032 away. White text reads best on it, at 8.93:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.34:1 |
| White text | 8.93:1 |
Values
| HEX | #6F2591 |
| RGB | rgb(111, 37, 145) |
| HSL | hsl(281, 59%, 36%) |
| OKLCH | oklch(42.9% 0.173 312.7) |
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 #6F2591 | 8.93:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #6F2591 | 2.34:1 | Fails | Lc 14.4 | Not readable |
| #6F2591 text on white | 8.93:1 | AAA | Lc 89.6 | Fine for body text |
| #6F2591 text on black | 2.34:1 | Fails | Lc -12.6 | 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 800.
-
Step 50
50
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E5F8
oklch(93.7% 0.028 313.4)
-
Step 200
200
#E6CFF4
oklch(88.5% 0.056 312.8)
-
Step 300
300
#D7AEF0
oklch(80.9% 0.101 312.3)
-
Step 400
400
#C37FE8
oklch(70.7% 0.163 312.7)
-
Step 500
500
#B35AE0
oklch(63.1% 0.205 312.6)
-
Step 600
600
#9F38CE
oklch(55.6% 0.225 312.8)
-
Step 700
700
#8828B2
oklch(49.1% 0.209 312.9)
-
Step 800
800 (this color)
#6F2591
oklch(42.9% 0.173 312.7)
-
Step 900
900
#592573
oklch(37.7% 0.133 312.4)
-
Step 950
950
#341743
oklch(27% 0.084 312.5)
#6F2591 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) | #004694 | 0.152 |
| Deuteranopia (no green cones) | #194B8F | 0.145 |
| Tritanopia (no blue cones) | #6B3D59 | 0.115 |
| Achromatopsia (no color) | #494949 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F2591
#6F2591
oklch(42.9% 0.173 312.7)
- #345C00
#345C00
oklch(42.8% 0.12 132.5)
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 #6F2591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.032
- Purple #800080 ΔE 0.055
- Dark Magenta #8B008B ΔE 0.063
- Grape #7209B7 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.080
- Warm Purple #952E8F ΔE 0.083
- Dark Slate Blue #483D8B ΔE 0.084
- Blueberry #464196 ΔE 0.090
Use #6F2591 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.