#6B4FC7
Closest named color: Iris (#6258C4). oklch(52.2% 0.178 289.5), rgb(107, 79, 199).
Aa
White text reads best on this color (5.88:1).
About this color
#6B4FC7 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.178 and its hue 289°. 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 5.88:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #6B4FC7 |
| RGB | rgb(107, 79, 199) |
| HSL | hsl(254, 52%, 55%) |
| OKLCH | oklch(52.2% 0.178 289.5) |
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 #6B4FC7 | 5.88:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #6B4FC7 | 3.56:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #6B4FC7 text on white | 5.88:1 | AA | Lc 79.0 | Fine for body text |
| #6B4FC7 text on black | 3.56:1 | AA large text | Lc -22.8 | 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
#D8D5F8
oklch(88.6% 0.048 289.3)
-
Step 300
300
#BFB8F5
oklch(81% 0.086 289.6)
-
Step 400
400
#9F90F0
oklch(70.6% 0.138 289.5)
-
Step 500
500
#8A72EB
oklch(63.2% 0.175 289.5)
-
Step 600
600
#7556D9
oklch(55.5% 0.191 289.6)
-
Step 700
700 (this color)
#6B4FC7
oklch(52.2% 0.178 289.5)
-
Step 800
800
#503A99
oklch(42.7% 0.148 289.2)
-
Step 900
900
#423379
oklch(37.7% 0.115 289.6)
-
Step 950
950
#261F47
oklch(27% 0.072 288.7)
#6B4FC7 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) | #0067CB | 0.104 |
| Deuteranopia (no green cones) | #0062C4 | 0.103 |
| Tritanopia (no blue cones) | #4E6A83 | 0.146 |
| Achromatopsia (no color) | #646464 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4FC7
#6B4FC7
oklch(52.2% 0.178 289.5)
- #6F6E00
#6F6E00
oklch(52.2% 0.113 109.1)
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 #6B4FC7, 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 0.026
- Light Indigo #6D5ACF ΔE 0.028
- Bluey Purple #6241C7 ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.039
- Warm Blue #4B57DB ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Blurple #5539CC ΔE 0.062
Use #6B4FC7 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.