#6B4DAD
Closest named color: Iris (#6258C4). oklch(50% 0.148 294.9), rgb(107, 77, 173).
Aa
White text reads best on this color (6.38:1).
About this color
#6B4DAD is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.148 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.044 away. White text reads best on it, at 6.38:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.29:1 |
| White text | 6.38:1 |
Values
| HEX | #6B4DAD |
| RGB | rgb(107, 77, 173) |
| HSL | hsl(259, 38%, 49%) |
| OKLCH | oklch(50% 0.148 294.9) |
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 #6B4DAD | 6.38:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #6B4DAD | 3.29:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #6B4DAD text on white | 6.38:1 | AA | Lc 81.4 | Fine for body text |
| #6B4DAD text on black | 3.29:1 | AA large text | Lc -20.4 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8EB
oklch(80.9% 0.072 294.6)
-
Step 400
400
#A692E0
oklch(70.8% 0.113 295.1)
-
Step 500
500
#9175D8
oklch(63.2% 0.146 294.9)
-
Step 600
600
#7C5BC5
oklch(55.6% 0.159 295.1)
-
Step 700
700 (this color)
#6B4DAD
oklch(50% 0.148 294.9)
-
Step 800
800
#553E8A
oklch(42.8% 0.122 294.7)
-
Step 900
900
#46356E
oklch(37.7% 0.095 295.2)
-
Step 950
950
#292041
oklch(27.2% 0.06 294.6)
#6B4DAD 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) | #2160B0 | 0.096 |
| Deuteranopia (no green cones) | #295EAB | 0.091 |
| Tritanopia (no blue cones) | #5B6175 | 0.118 |
| Achromatopsia (no color) | #5F5F5F | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4DAD
#6B4DAD
oklch(50% 0.148 294.9)
- #626A00
#626A00
oklch(50% 0.113 114.8)
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 #6B4DAD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.044
- Bluey Purple #6241C7 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.059
- Rebecca Purple #663399 ΔE 0.065
- Dark Periwinkle #665FD1 ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.072
- Twilight #4E518B ΔE 0.074
Use #6B4DAD 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.