#6F3F9D
Closest named color: Rebecca Purple (#663399). oklch(47.1% 0.15 304.9), rgb(111, 63, 157).
Aa
White text reads best on this color (7.30:1).
About this color
#6F3F9D is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.150 and its hue 305°. 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 7.30:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #6F3F9D |
| RGB | rgb(111, 63, 157) |
| HSL | hsl(271, 43%, 43%) |
| OKLCH | oklch(47.1% 0.15 304.9) |
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 #6F3F9D | 7.30:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #6F3F9D | 2.87:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #6F3F9D text on white | 7.30:1 | AAA | Lc 85.0 | Fine for body text |
| #6F3F9D text on black | 2.87:1 | Fails | Lc -17.0 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EF
oklch(88.5% 0.04 304.9)
-
Step 300
300
#CBB5E7
oklch(80.8% 0.073 304.8)
-
Step 400
400
#B18EDB
oklch(70.8% 0.115 304.5)
-
Step 500
500
#9E6FD0
oklch(63% 0.148 304.9)
-
Step 600
600
#8A55BD
oklch(55.6% 0.161 305.3)
-
Step 700
700 (this color)
#6F3F9D
oklch(47.1% 0.15 304.9)
-
Step 800
800
#5F3984
oklch(42.6% 0.124 305.1)
-
Step 900
900
#4E326A
oklch(37.7% 0.097 305.3)
-
Step 950
950
#2D1E3E
oklch(27% 0.06 304.3)
#6F3F9D 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) | #1555A0 | 0.121 |
| Deuteranopia (no green cones) | #2B569B | 0.108 |
| Tritanopia (no blue cones) | #675268 | 0.110 |
| Achromatopsia (no color) | #565656 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F3F9D
#6F3F9D
oklch(47.1% 0.15 304.9)
- #4C6600
#4C6600
oklch(47.2% 0.119 125.1)
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 #6F3F9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Light Eggplant #894585 ΔE 0.069
- Bluey Purple #6241C7 ΔE 0.071
- Blueberry #464196 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.076
- Twilight #4E518B ΔE 0.077
- Warm Purple #952E8F ΔE 0.080
- Iris #6258C4 ΔE 0.082
Use #6F3F9D 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.