#6F399B
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.156 306.6), rgb(111, 57, 155).
Aa
White text reads best on this color (7.67:1).
About this color
#6F399B is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.156 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.023 away. White text reads best on it, at 7.67:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #6F399B |
| RGB | rgb(111, 57, 155) |
| HSL | hsl(273, 46%, 42%) |
| OKLCH | oklch(46.1% 0.156 306.6) |
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 #6F399B | 7.67:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #6F399B | 2.73:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #6F399B text on white | 7.67:1 | AAA | Lc 86.2 | Fine for body text |
| #6F399B text on black | 2.73:1 | Fails | Lc -15.9 | 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
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D2F0
oklch(88.4% 0.043 306.5)
-
Step 300
300
#CDB4E8
oklch(80.8% 0.077 306.6)
-
Step 400
400
#B48CDC
oklch(70.8% 0.121 306.5)
-
Step 500
500
#A26DD2
oklch(63.2% 0.155 306.7)
-
Step 600
600
#8D52BF
oklch(55.6% 0.169 306.7)
-
Step 700
700 (this color)
#6F399B
oklch(46.1% 0.156 306.6)
-
Step 800
800
#613785
oklch(42.6% 0.129 306.6)
-
Step 900
900
#4F316B
oklch(37.7% 0.1 306.1)
-
Step 950
950
#2E1D3F
oklch(27% 0.064 305.6)
#6F399B 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) | #00519E | 0.133 |
| Deuteranopia (no green cones) | #255499 | 0.119 |
| Tritanopia (no blue cones) | #684D64 | 0.113 |
| Achromatopsia (no color) | #535353 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F399B
#6F399B
oklch(46.1% 0.156 306.6)
- #476300
#476300
oklch(46% 0.118 126.4)
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 #6F399B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.023
- Blueberry #464196 ΔE 0.074
- Grape #7209B7 ΔE 0.074
- Light Eggplant #894585 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.075
- Bluey Purple #6241C7 ΔE 0.076
- Warm Purple #952E8F ΔE 0.078
- Twilight #4E518B ΔE 0.084
Use #6F399B 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.