#6F31A7
Closest named color: Rebecca Purple (#663399). oklch(45.9% 0.181 304.1), rgb(111, 49, 167).
Aa
White text reads best on this color (7.85:1).
About this color
#6F31A7 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.181 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.028 away. White text reads best on it, at 7.85:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #6F31A7 |
| RGB | rgb(111, 49, 167) |
| HSL | hsl(272, 55%, 42%) |
| OKLCH | oklch(45.9% 0.181 304.1) |
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 #6F31A7 | 7.85:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #6F31A7 | 2.67:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #6F31A7 text on white | 7.85:1 | AAA | Lc 86.5 | Fine for body text |
| #6F31A7 text on black | 2.67:1 | Fails | Lc -15.5 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#E0D2F4
oklch(88.6% 0.048 304.1)
-
Step 300
300
#CDB3EF
oklch(80.9% 0.087 304.3)
-
Step 400
400
#B489E7
oklch(70.8% 0.14 304.1)
-
Step 500
500
#A268DF
oklch(63.1% 0.178 304.3)
-
Step 600
600
#8D4BCD
oklch(55.5% 0.195 304.1)
-
Step 700
700 (this color)
#6F31A7
oklch(45.9% 0.181 304.1)
-
Step 800
800
#623290
oklch(42.7% 0.15 304.2)
-
Step 900
900
#502D73
oklch(37.7% 0.118 304.4)
-
Step 950
950
#2F1B43
oklch(27% 0.074 305)
#6F31A7 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) | #0050AA | 0.137 |
| Deuteranopia (no green cones) | #0052A5 | 0.139 |
| Tritanopia (no blue cones) | #644C68 | 0.130 |
| Achromatopsia (no color) | #525252 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F31A7
#6F31A7
oklch(45.9% 0.181 304.1)
- #4B6200
#4B6200
oklch(46% 0.114 124)
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 #6F31A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Grape #7209B7 ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.064
- Blue With A Hint Of Purple #533CC6 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.075
- Blurple #5539CC ΔE 0.079
- Purple Blue #5D21D0 ΔE 0.080
- Blueberry #464196 ΔE 0.082
Use #6F31A7 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.