#6B4EC6
Closest named color: Iris (#6258C4). oklch(51.9% 0.178 289.9), rgb(107, 78, 198).
Aa
White text reads best on this color (5.94:1).
About this color
#6B4EC6 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.178 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.026 away. White text reads best on it, at 5.94:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #6B4EC6 |
| RGB | rgb(107, 78, 198) |
| HSL | hsl(254, 51%, 54%) |
| OKLCH | oklch(51.9% 0.178 289.9) |
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 #6B4EC6 | 5.94:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #6B4EC6 | 3.53:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #6B4EC6 text on white | 5.94:1 | AA | Lc 79.3 | Fine for body text |
| #6B4EC6 text on black | 3.53:1 | 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
#D8D4F7
oklch(88.4% 0.048 290.6)
-
Step 300
300
#BFB8F5
oklch(81% 0.086 289.6)
-
Step 400
400
#A090F0
oklch(70.7% 0.138 290)
-
Step 500
500
#8A71EB
oklch(63% 0.177 289.8)
-
Step 600
600
#7656D9
oklch(55.6% 0.191 290)
-
Step 700
700 (this color)
#6B4EC6
oklch(51.9% 0.178 289.9)
-
Step 800
800
#513A98
oklch(42.7% 0.147 290)
-
Step 900
900
#423379
oklch(37.7% 0.115 289.6)
-
Step 950
950
#271E47
oklch(26.9% 0.074 290.7)
#6B4EC6 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) | #0066CA | 0.104 |
| Deuteranopia (no green cones) | #0061C3 | 0.104 |
| Tritanopia (no blue cones) | #4F6A82 | 0.147 |
| Achromatopsia (no color) | #646464 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4EC6
#6B4EC6
oklch(51.9% 0.178 289.9)
- #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 #6B4EC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.026
- Slate Blue #6A5ACD ΔE 0.028
- Light Indigo #6D5ACF ΔE 0.030
- Bluey Purple #6241C7 ΔE 0.033
- Dark Periwinkle #665FD1 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Blurple #5539CC ΔE 0.061
Use #6B4EC6 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.