#6C297E
Closest named color: Rebecca Purple (#663399). oklch(41.6% 0.147 318.5), rgb(108, 41, 126).
Aa
White text reads best on this color (9.30:1).
About this color
#6C297E is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.147 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.049 away. White text reads best on it, at 9.30:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #6C297E |
| RGB | rgb(108, 41, 126) |
| HSL | hsl(287, 51%, 33%) |
| OKLCH | oklch(41.6% 0.147 318.5) |
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 #6C297E | 9.30:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #6C297E | 2.25:1 | Fails | Lc 13.2 | Not readable |
| #6C297E text on white | 9.30:1 | AAA | Lc 90.8 | Preferred for body text |
| #6C297E text on black | 2.25:1 | Fails | Lc -11.5 | Not readable |
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
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F1E5F5
oklch(93.6% 0.025 317.7)
-
Step 200
200
#E7D0EE
oklch(88.6% 0.047 318.3)
-
Step 300
300
#D9AFE5
oklch(80.9% 0.087 318.6)
-
Step 400
400
#C583D7
oklch(70.7% 0.138 318.9)
-
Step 500
500
#B561CC
oklch(63.1% 0.175 318.6)
-
Step 600
600
#A043B9
oklch(55.5% 0.192 318.5)
-
Step 700
700
#8934A0
oklch(49.2% 0.178 318.3)
-
Step 800
800 (this color)
#6C297E
oklch(41.6% 0.147 318.5)
-
Step 900
900
#5A2968
oklch(37.7% 0.115 318.2)
-
Step 950
950
#35193D
oklch(27% 0.073 318.3)
#6C297E 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) | #0B4381 | 0.145 |
| Deuteranopia (no green cones) | #2D497C | 0.124 |
| Tritanopia (no blue cones) | #6C3850 | 0.092 |
| Achromatopsia (no color) | #474747 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C297E
#6C297E
oklch(41.6% 0.147 318.5)
- #205B00
#205B00
oklch(41.6% 0.129 138.3)
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 #6C297E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.049
- Purple #800080 ΔE 0.055
- Dark Magenta #8B008B ΔE 0.072
- Rich Purple #720058 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.079
- Velvet #750851 ΔE 0.083
- Grape Purple #5D1451 ΔE 0.087
- Warm Purple #952E8F ΔE 0.088
Use #6C297E 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.