#6B4FC4
Closest named color: Iris (#6258C4). oklch(52% 0.175 290), rgb(107, 79, 196).
Aa
White text reads best on this color (5.93:1).
About this color
#6B4FC4 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.175 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.024 away. White text reads best on it, at 5.93:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.54:1 |
| White text | 5.93:1 |
Values
| HEX | #6B4FC4 |
| RGB | rgb(107, 79, 196) |
| HSL | hsl(254, 50%, 54%) |
| OKLCH | oklch(52% 0.175 290) |
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 #6B4FC4 | 5.93:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #6B4FC4 | 3.54:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #6B4FC4 text on white | 5.93:1 | AA | Lc 79.3 | Fine for body text |
| #6B4FC4 text on black | 3.54:1 | AA large text | Lc -22.5 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D5F7
oklch(88.6% 0.047 289.5)
-
Step 300
300
#BFB8F4
oklch(80.9% 0.084 289.7)
-
Step 400
400
#A091EE
oklch(70.8% 0.134 289.9)
-
Step 500
500
#8A72E9
oklch(63.1% 0.173 289.8)
-
Step 600
600
#7657D7
oklch(55.6% 0.188 290.1)
-
Step 700
700 (this color)
#6B4FC4
oklch(52% 0.175 290)
-
Step 800
800
#513B97
oklch(42.8% 0.144 290)
-
Step 900
900
#423378
oklch(37.6% 0.113 289.9)
-
Step 950
950
#271F46
oklch(27.1% 0.07 290.3)
#6B4FC4 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) | #0066C8 | 0.104 |
| Deuteranopia (no green cones) | #0061C2 | 0.103 |
| Tritanopia (no blue cones) | #506A82 | 0.143 |
| Achromatopsia (no color) | #646464 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4FC4
#6B4FC4
oklch(52% 0.175 290)
- #6D6E00
#6D6E00
oklch(52% 0.114 110.4)
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 #6B4FC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.024
- Slate Blue #6A5ACD ΔE 0.028
- Light Indigo #6D5ACF ΔE 0.030
- Bluey Purple #6241C7 ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.040
- Warm Blue #4B57DB ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Blurple #5539CC ΔE 0.063
Use #6B4FC4 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.