#6B4BBC
Closest named color: Iris (#6258C4). oklch(50.7% 0.17 292.3), rgb(107, 75, 188).
Aa
White text reads best on this color (6.25:1).
About this color
#6B4BBC is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.170 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.033 away. White text reads best on it, at 6.25:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #6B4BBC |
| RGB | rgb(107, 75, 188) |
| HSL | hsl(257, 46%, 52%) |
| OKLCH | oklch(50.7% 0.17 292.3) |
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 #6B4BBC | 6.25:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #6B4BBC | 3.35:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #6B4BBC text on white | 6.25:1 | AA | Lc 80.8 | Fine for body text |
| #6B4BBC text on black | 3.35:1 | AA large text | Lc -21.1 | 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C1B7F2
oklch(80.8% 0.083 292.2)
-
Step 400
400
#A390EB
oklch(70.7% 0.131 292.3)
-
Step 500
500
#8E72E5
oklch(63.2% 0.168 292.1)
-
Step 600
600
#7957D3
oklch(55.6% 0.183 292)
-
Step 700
700 (this color)
#6B4BBC
oklch(50.7% 0.17 292.3)
-
Step 800
800
#533A94
oklch(42.6% 0.141 292.1)
-
Step 900
900
#443376
oklch(37.6% 0.11 291.9)
-
Step 950
950
#281F45
oklch(27.1% 0.069 292.1)
#6B4BBC 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) | #0062C0 | 0.107 |
| Deuteranopia (no green cones) | #005EBA | 0.107 |
| Tritanopia (no blue cones) | #54647C | 0.136 |
| Achromatopsia (no color) | #606060 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4BBC
#6B4BBC
oklch(50.7% 0.17 292.3)
- #676B00
#676B00
oklch(50.7% 0.113 112.3)
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 #6B4BBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.033
- Bluey Purple #6241C7 ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Blurple #5539CC ΔE 0.062
- Warm Blue #4B57DB ΔE 0.070
Use #6B4BBC 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.