#6F31A6
Closest named color: Rebecca Purple (#663399). oklch(45.8% 0.18 304.4), rgb(111, 49, 166).
Aa
White text reads best on this color (7.87:1).
About this color
#6F31A6 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.180 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 0.027 away. White text reads best on it, at 7.87:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #6F31A6 |
| RGB | rgb(111, 49, 166) |
| HSL | hsl(272, 54%, 42%) |
| OKLCH | oklch(45.8% 0.18 304.4) |
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 #6F31A6 | 7.87:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6F31A6 | 2.66:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6F31A6 text on white | 7.87:1 | AAA | Lc 86.6 | Fine for body text |
| #6F31A6 text on black | 2.66:1 | 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 800.
-
Step 50
50
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FB
oklch(93.5% 0.031 304.3)
-
Step 200
200
#E1D0F9
oklch(88.4% 0.058 304)
-
Step 300
300
#D0B0F8
oklch(81% 0.105 304.5)
-
Step 400
400
#B882F4
oklch(70.6% 0.168 304.3)
-
Step 500
500
#A75DF0
oklch(63.1% 0.214 304.1)
-
Step 600
600
#933BDE
oklch(55.6% 0.233 304.3)
-
Step 700
700
#7E2BC1
oklch(49.2% 0.217 304.4)
-
Step 800
800 (this color)
#6F31A6
oklch(45.8% 0.18 304.4)
-
Step 900
900
#53267C
oklch(37.7% 0.14 304.5)
-
Step 950
950
#301849
oklch(27% 0.089 303.6)
#6F31A6 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) | #0050A9 | 0.138 |
| Deuteranopia (no green cones) | #0051A4 | 0.139 |
| Tritanopia (no blue cones) | #654C68 | 0.129 |
| Achromatopsia (no color) | #515151 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F31A6
#6F31A6
oklch(45.8% 0.18 304.4)
- #4A6200
#4A6200
oklch(46% 0.115 124.6)
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 #6F31A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.027
- Grape #7209B7 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.075
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
- Blurple #5539CC ΔE 0.080
- Purple Blue #5D21D0 ΔE 0.081
- Blueberry #464196 ΔE 0.081
Use #6F31A6 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.