#6B278F
Closest named color: Rebecca Purple (#663399). oklch(42.4% 0.167 311.2), rgb(107, 39, 143).
Aa
White text reads best on this color (9.08:1).
About this color
#6B278F is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.167 and its hue 311°. 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 9.08:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.31:1 |
| White text | 9.08:1 |
Values
| HEX | #6B278F |
| RGB | rgb(107, 39, 143) |
| HSL | hsl(279, 57%, 36%) |
| OKLCH | oklch(42.4% 0.167 311.2) |
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 #6B278F | 9.08:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #6B278F | 2.31:1 | Fails | Lc 13.9 | Not readable |
| #6B278F text on white | 9.08:1 | AAA | Lc 90.1 | Preferred for body text |
| #6B278F text on black | 2.31:1 | Fails | Lc -12.2 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F8
oklch(93.6% 0.028 311.3)
-
Step 200
200
#E5D0F4
oklch(88.6% 0.054 311.2)
-
Step 300
300
#D5AFEF
oklch(80.9% 0.097 311.2)
-
Step 400
400
#C082E7
oklch(70.8% 0.155 311.3)
-
Step 500
500
#B05DE0
oklch(63.1% 0.2 311.2)
-
Step 600
600
#9B3DCD
oklch(55.5% 0.217 311.2)
-
Step 700
700
#852DB2
oklch(49.1% 0.202 311.3)
-
Step 800
800 (this color)
#6B278F
oklch(42.4% 0.167 311.2)
-
Step 900
900
#572773
oklch(37.7% 0.13 310.8)
-
Step 950
950
#331843
oklch(27% 0.082 311.1)
#6B278F 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) | #004592 | 0.145 |
| Deuteranopia (no green cones) | #184A8D | 0.138 |
| Tritanopia (no blue cones) | #663E58 | 0.114 |
| Achromatopsia (no color) | #484848 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B278F
#6B278F
oklch(42.4% 0.167 311.2)
- #365A00
#365A00
oklch(42.4% 0.116 131.2)
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 #6B278F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Purple #800080 ΔE 0.060
- Grape #7209B7 ΔE 0.070
- Dark Magenta #8B008B ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.076
- Chrysanthemum #560BAD ΔE 0.077
- Blueberry #464196 ΔE 0.083
- Warm Purple #952E8F ΔE 0.090
Use #6B278F 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.