#6B2B88
Closest named color: Rebecca Purple (#663399). oklch(42.4% 0.154 313.4), rgb(107, 43, 136).
Aa
White text reads best on this color (9.02:1).
About this color
#6B2B88 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.154 and its hue 313°. 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 9.02:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #6B2B88 |
| RGB | rgb(107, 43, 136) |
| HSL | hsl(281, 52%, 35%) |
| OKLCH | oklch(42.4% 0.154 313.4) |
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 #6B2B88 | 9.02:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #6B2B88 | 2.32:1 | Fails | Lc 13.9 | Not readable |
| #6B2B88 text on white | 9.02:1 | AAA | Lc 90.1 | Preferred for body text |
| #6B2B88 text on black | 2.32:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E5D0F1
oklch(88.5% 0.05 313.4)
-
Step 300
300
#D5B0EA
oklch(80.9% 0.089 313.1)
-
Step 400
400
#C084E0
oklch(70.8% 0.144 313.1)
-
Step 500
500
#B061D7
oklch(63.2% 0.184 313.2)
-
Step 600
600
#9B43C4
oklch(55.6% 0.2 313.2)
-
Step 700
700
#8533A9
oklch(49.1% 0.187 313.6)
-
Step 800
800 (this color)
#6B2B88
oklch(42.4% 0.154 313.4)
-
Step 900
900
#58296E
oklch(37.8% 0.121 313.5)
-
Step 950
950
#331940
oklch(26.9% 0.076 313.2)
#6B2B88 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) | #00458B | 0.143 |
| Deuteranopia (no green cones) | #254A86 | 0.126 |
| Tritanopia (no blue cones) | #683D56 | 0.101 |
| Achromatopsia (no color) | #494949 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2B88
#6B2B88
oklch(42.4% 0.154 313.4)
- #315B00
#315B00
oklch(42.4% 0.12 133.4)
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 #6B2B88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Purple #800080 ΔE 0.060
- Dark Magenta #8B008B ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.073
- Blueberry #464196 ΔE 0.081
- Grape #7209B7 ΔE 0.083
- Warm Purple #952E8F ΔE 0.087
- Chrysanthemum #560BAD ΔE 0.089
Use #6B2B88 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.