#6B4FA8
Closest named color: Iris (#6258C4). oklch(50% 0.138 295.5), rgb(107, 79, 168).
Aa
White text reads best on this color (6.34:1).
About this color
#6B4FA8 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 50%, its chroma 0.138 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.048 away. White text reads best on it, at 6.34:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.30:1 |
| White text | 6.34:1 |
Values
| HEX | #6B4FA8 |
| RGB | rgb(107, 79, 168) |
| HSL | hsl(259, 36%, 48%) |
| OKLCH | oklch(50% 0.138 295.5) |
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 #6B4FA8 | 6.34:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #6B4FA8 | 3.30:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #6B4FA8 text on white | 6.34:1 | AA | Lc 81.3 | Fine for body text |
| #6B4FA8 text on black | 3.30:1 | AA large text | Lc -20.5 | 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
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DBD5F0
oklch(88.6% 0.037 295.8)
-
Step 300
300
#C3B9E8
oklch(81% 0.066 294.6)
-
Step 400
400
#A693DC
oklch(70.8% 0.106 295.5)
-
Step 500
500
#9176D2
oklch(63% 0.137 295.8)
-
Step 600
600
#7C5DBF
oklch(55.6% 0.148 295.8)
-
Step 700
700 (this color)
#6B4FA8
oklch(50% 0.138 295.5)
-
Step 800
800
#553F86
oklch(42.7% 0.115 295.4)
-
Step 900
900
#46366B
oklch(37.7% 0.089 295.7)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#6B4FA8 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) | #2B60AB | 0.088 |
| Deuteranopia (no green cones) | #325EA6 | 0.083 |
| Tritanopia (no blue cones) | #5D6174 | 0.109 |
| Achromatopsia (no color) | #5F5F5F | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4FA8
#6B4FA8
oklch(50% 0.138 295.5)
- #616A00
#616A00
oklch(49.9% 0.114 115.4)
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 #6B4FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.063
- Light Indigo #6D5ACF ΔE 0.064
- Rebecca Purple #663399 ΔE 0.067
- Twilight #4E518B ΔE 0.067
- Dark Periwinkle #665FD1 ΔE 0.071
- Deep Lavender #8D5EB7 ΔE 0.075
Use #6B4FA8 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.