#6B4CCB
Closest named color: Bluey Purple (#6241C7). oklch(52% 0.187 289.5), rgb(107, 76, 203).
Aa
White text reads best on this color (5.96:1).
About this color
#6B4CCB is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.187 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.030 away. White text reads best on it, at 5.96:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.52:1 |
| White text | 5.96:1 |
Values
| HEX | #6B4CCB |
| RGB | rgb(107, 76, 203) |
| HSL | hsl(255, 55%, 55%) |
| OKLCH | oklch(52% 0.187 289.5) |
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 #6B4CCB | 5.96:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #6B4CCB | 3.52:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #6B4CCB text on white | 5.96:1 | AA | Lc 79.4 | Fine for body text |
| #6B4CCB text on black | 3.52:1 | AA large text | Lc -22.5 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4F9
oklch(88.5% 0.051 290.3)
-
Step 300
300
#BFB7F8
oklch(80.9% 0.091 289.8)
-
Step 400
400
#9F8FF4
oklch(70.6% 0.145 289.4)
-
Step 500
500
#8A70F0
oklch(63.2% 0.185 289.4)
-
Step 600
600
#7654DF
oklch(55.7% 0.201 289.5)
-
Step 700
700 (this color)
#6B4CCB
oklch(52% 0.187 289.5)
-
Step 800
800
#51389C
oklch(42.7% 0.155 289.7)
-
Step 900
900
#42327C
oklch(37.7% 0.12 289.3)
-
Step 950
950
#271E49
oklch(27.1% 0.077 289.9)
#6B4CCB 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) | #0066CF | 0.105 |
| Deuteranopia (no green cones) | #0060C8 | 0.104 |
| Tritanopia (no blue cones) | #4C6A84 | 0.153 |
| Achromatopsia (no color) | #636363 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4CCB
#6B4CCB
oklch(52% 0.187 289.5)
- #6E6E00
#6E6E00
oklch(52.1% 0.114 109.8)
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 #6B4CCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.030
- Slate Blue #6A5ACD ΔE 0.031
- Iris #6258C4 ΔE 0.031
- Light Indigo #6D5ACF ΔE 0.032
- Dark Periwinkle #665FD1 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Blurple #5539CC ΔE 0.057
Use #6B4CCB 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.