#6B4FBF
Closest named color: Iris (#6258C4). oklch(51.6% 0.168 290.8), rgb(107, 79, 191).
Aa
White text reads best on this color (6.00:1).
About this color
#6B4FBF is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.168 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.025 away. White text reads best on it, at 6.00:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #6B4FBF |
| RGB | rgb(107, 79, 191) |
| HSL | hsl(255, 47%, 53%) |
| OKLCH | oklch(51.6% 0.168 290.8) |
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 #6B4FBF | 6.00:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #6B4FBF | 3.49:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #6B4FBF text on white | 6.00:1 | AA | Lc 79.7 | Fine for body text |
| #6B4FBF text on black | 3.49:1 | AA large text | Lc -22.2 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E7F9
oklch(93.5% 0.024 291)
-
Step 200
200
#D8D5F6
oklch(88.6% 0.045 289.6)
-
Step 300
300
#C0B8F2
oklch(80.9% 0.081 290.8)
-
Step 400
400
#A191EB
oklch(70.7% 0.13 290.9)
-
Step 500
500
#8C73E5
oklch(63.2% 0.166 291)
-
Step 600
600
#7758D3
oklch(55.6% 0.181 290.9)
-
Step 700
700 (this color)
#6B4FBF
oklch(51.6% 0.168 290.8)
-
Step 800
800
#523B94
oklch(42.7% 0.14 291.2)
-
Step 900
900
#433476
oklch(37.7% 0.109 290.7)
-
Step 950
950
#271F45
oklch(27% 0.069 290.8)
#6B4FBF 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) | #0065C3 | 0.104 |
| Deuteranopia (no green cones) | #0861BD | 0.102 |
| Tritanopia (no blue cones) | #53687F | 0.137 |
| Achromatopsia (no color) | #636363 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4FBF
#6B4FBF
oklch(51.6% 0.168 290.8)
- #6B6D00
#6B6D00
oklch(51.6% 0.113 111)
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 #6B4FBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.025
- Slate Blue #6A5ACD ΔE 0.032
- Light Indigo #6D5ACF ΔE 0.034
- Bluey Purple #6241C7 ΔE 0.038
- Dark Periwinkle #665FD1 ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Warm Blue #4B57DB ΔE 0.065
- Blurple #5539CC ΔE 0.066
Use #6B4FBF 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.