#6F37B8
Closest named color: Bluey Purple (#6241C7). oklch(48% 0.192 298.8), rgb(111, 55, 184).
Aa
White text reads best on this color (7.20:1).
About this color
#6F37B8 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.192 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.038 away. White text reads best on it, at 7.20:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.192) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.91:1 |
| White text | 7.20:1 |
Values
| HEX | #6F37B8 |
| RGB | rgb(111, 55, 184) |
| HSL | hsl(266, 54%, 47%) |
| OKLCH | oklch(48% 0.192 298.8) |
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 #6F37B8 | 7.20:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #6F37B8 | 2.91:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #6F37B8 text on white | 7.20:1 | AAA | Lc 84.3 | Fine for body text |
| #6F37B8 text on black | 2.91:1 | Fails | Lc -17.7 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F7
oklch(88.4% 0.052 298.9)
-
Step 300
300
#C8B4F5
oklch(80.9% 0.093 298.4)
-
Step 400
400
#AE8AF0
oklch(70.8% 0.148 298.8)
-
Step 500
500
#9B68EA
oklch(63.1% 0.19 299)
-
Step 600
600
#864BD8
oklch(55.5% 0.206 298.7)
-
Step 700
700 (this color)
#6F37B8
oklch(48% 0.192 298.8)
-
Step 800
800
#5D3298
oklch(42.8% 0.159 298.8)
-
Step 900
900
#4C2D79
oklch(37.7% 0.125 299.1)
-
Step 950
950
#2C1B47
oklch(26.9% 0.08 298.8)
#6F37B8 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) | #0057BC | 0.129 |
| Deuteranopia (no green cones) | #0056B5 | 0.130 |
| Tritanopia (no blue cones) | #5E5673 | 0.145 |
| Achromatopsia (no color) | #575757 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F37B8
#6F37B8
oklch(48% 0.192 298.8)
- #576600
#576600
oklch(48.1% 0.113 119.2)
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 #6F37B8, closest first.
No curated palette has a color within ΔE 0.04 of #6F37B8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.038
- Rebecca Purple #663399 ΔE 0.053
- Grape #7209B7 ΔE 0.053
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Blurple #5539CC ΔE 0.058
- Purple Blue #5D21D0 ΔE 0.063
- Burple #6832E3 ΔE 0.070
- Iris #6258C4 ΔE 0.073
Use #6F37B8 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.