#6B4BBA
Closest named color: Iris (#6258C4). oklch(50.6% 0.167 292.7), rgb(107, 75, 186).
Aa
White text reads best on this color (6.28:1).
About this color
#6B4BBA is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.167 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.034 away. White text reads best on it, at 6.28:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #6B4BBA |
| RGB | rgb(107, 75, 186) |
| HSL | hsl(257, 45%, 51%) |
| OKLCH | oklch(50.6% 0.167 292.7) |
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 #6B4BBA | 6.28:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #6B4BBA | 3.34:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #6B4BBA text on white | 6.28:1 | AA | Lc 80.9 | Fine for body text |
| #6B4BBA text on black | 3.34:1 | AA large text | Lc -20.9 | 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
#D9D4F5
oklch(88.4% 0.045 292.4)
-
Step 300
300
#C2B7F1
oklch(80.8% 0.082 293.2)
-
Step 400
400
#A490EA
oklch(70.7% 0.13 293)
-
Step 500
500
#8F72E3
oklch(63.1% 0.165 292.9)
-
Step 600
600
#7A57D1
oklch(55.6% 0.18 292.8)
-
Step 700
700 (this color)
#6B4BBA
oklch(50.6% 0.167 292.7)
-
Step 800
800
#543B93
oklch(42.8% 0.139 292.7)
-
Step 900
900
#453375
oklch(37.7% 0.109 293)
-
Step 950
950
#281F44
oklch(27% 0.067 292.5)
#6B4BBA 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) | #0062BE | 0.108 |
| Deuteranopia (no green cones) | #095EB8 | 0.105 |
| Tritanopia (no blue cones) | #55647B | 0.135 |
| Achromatopsia (no color) | #606060 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4BBA
#6B4BBA
oklch(50.6% 0.167 292.7)
- #666B00
#666B00
oklch(50.6% 0.113 113)
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 #6B4BBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.034
- Bluey Purple #6241C7 ΔE 0.035
- Slate Blue #6A5ACD ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.056
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Blurple #5539CC ΔE 0.063
- Warm Blue #4B57DB ΔE 0.072
Use #6B4BBA 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.