#6B4EB7
Closest named color: Iris (#6258C4). oklch(50.9% 0.159 292.6), rgb(107, 78, 183).
Aa
White text reads best on this color (6.17:1).
About this color
#6B4EB7 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.159 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.032 away. White text reads best on it, at 6.17:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.39:1 |
| White text | 6.17:1 |
Values
| HEX | #6B4EB7 |
| RGB | rgb(107, 78, 183) |
| HSL | hsl(257, 42%, 51%) |
| OKLCH | oklch(50.9% 0.159 292.6) |
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 #6B4EB7 | 6.17:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #6B4EB7 | 3.39:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #6B4EB7 text on white | 6.17:1 | AA | Lc 80.5 | Fine for body text |
| #6B4EB7 text on black | 3.39:1 | AA large text | Lc -21.3 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A391E7
oklch(70.7% 0.124 292.5)
-
Step 500
500
#8E74DF
oklch(63.2% 0.157 292.5)
-
Step 600
600
#795ACD
oklch(55.7% 0.171 292.4)
-
Step 700
700 (this color)
#6B4EB7
oklch(50.9% 0.159 292.6)
-
Step 800
800
#533C8F
oklch(42.6% 0.132 292.7)
-
Step 900
900
#443472
oklch(37.5% 0.103 292.7)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#6B4EB7 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) | #1163BA | 0.102 |
| Deuteranopia (no green cones) | #1C5FB5 | 0.097 |
| Tritanopia (no blue cones) | #56657B | 0.129 |
| Achromatopsia (no color) | #616161 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4EB7
#6B4EB7
oklch(50.9% 0.159 292.6)
- #676C00
#676C00
oklch(51% 0.114 112.9)
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 #6B4EB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.032
- Slate Blue #6A5ACD ΔE 0.042
- Bluey Purple #6241C7 ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.045
- Dark Periwinkle #665FD1 ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.065
- Blurple #5539CC ΔE 0.070
- Warm Blue #4B57DB ΔE 0.074
Use #6B4EB7 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.