#6F37AA
Closest named color: Rebecca Purple (#663399). oklch(46.9% 0.176 302.4), rgb(111, 55, 170).
Aa
White text reads best on this color (7.49:1).
About this color
#6F37AA is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.176 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 7.49:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #6F37AA |
| RGB | rgb(111, 55, 170) |
| HSL | hsl(269, 51%, 44%) |
| OKLCH | oklch(46.9% 0.176 302.4) |
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 #6F37AA | 7.49:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #6F37AA | 2.80:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #6F37AA text on white | 7.49:1 | AAA | Lc 85.4 | Fine for body text |
| #6F37AA text on black | 2.80:1 | Fails | Lc -16.6 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F4
oklch(88.5% 0.048 302.8)
-
Step 300
300
#CBB4EF
oklch(80.9% 0.085 302.4)
-
Step 400
400
#B18AE7
oklch(70.6% 0.138 302.3)
-
Step 500
500
#9F6ADF
oklch(63.1% 0.174 302.6)
-
Step 600
600
#8A4ECD
oklch(55.6% 0.19 302.4)
-
Step 700
700 (this color)
#6F37AA
oklch(46.9% 0.176 302.4)
-
Step 800
800
#5F348F
oklch(42.6% 0.145 302.4)
-
Step 900
900
#4E2F73
oklch(37.8% 0.114 302.3)
-
Step 950
950
#2D1C43
oklch(26.9% 0.072 301.9)
#6F37AA 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) | #0054AD | 0.132 |
| Deuteranopia (no green cones) | #0054A8 | 0.133 |
| Tritanopia (no blue cones) | #63516C | 0.129 |
| Achromatopsia (no color) | #555555 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F37AA
#6F37AA
oklch(46.9% 0.176 302.4)
- #506400
#506400
oklch(47% 0.114 122.2)
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 #6F37AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Bluey Purple #6241C7 ΔE 0.055
- Grape #7209B7 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- Blurple #5539CC ΔE 0.074
- Purple Blue #5D21D0 ΔE 0.079
- Blueberry #464196 ΔE 0.080
- Iris #6258C4 ΔE 0.082
Use #6F37AA 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.