#6B37CA
Closest named color: Bluey Purple (#6241C7). oklch(49% 0.212 293.1), rgb(107, 55, 202).
Aa
White text reads best on this color (6.94:1).
About this color
#6B37CA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.212 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.023 away. White text reads best on it, at 6.94:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.212) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #6B37CA |
| RGB | rgb(107, 55, 202) |
| HSL | hsl(261, 58%, 50%) |
| OKLCH | oklch(49% 0.212 293.1) |
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 #6B37CA | 6.94:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #6B37CA | 3.02:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #6B37CA text on white | 6.94:1 | AA | Lc 83.2 | Fine for body text |
| #6B37CA text on black | 3.02:1 | AA large text | Lc -18.7 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DAD3FC
oklch(88.5% 0.056 293)
-
Step 300
300
#C3B4FD
oklch(80.8% 0.103 293.4)
-
Step 400
400
#A68AFC
oklch(70.7% 0.163 293.1)
-
Step 500
500
#9267FA
oklch(63.1% 0.21 292.9)
-
Step 600
600
#7E48E9
oklch(55.6% 0.228 292.8)
-
Step 700
700 (this color)
#6B37CA
oklch(49% 0.212 293.1)
-
Step 800
800
#5730A3
oklch(42.7% 0.174 293.1)
-
Step 900
900
#472C82
oklch(37.7% 0.137 293.1)
-
Step 950
950
#291B4C
oklch(27% 0.087 292.8)
#6B37CA 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) | #005BCE | 0.121 |
| Deuteranopia (no green cones) | #0057C7 | 0.119 |
| Tritanopia (no blue cones) | #4E5E7D | 0.167 |
| Achromatopsia (no color) | #5A5A5A | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B37CA
#6B37CA
oklch(49% 0.212 293.1)
- #616600
#616600
oklch(48.9% 0.109 113.1)
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 #6B37CA, closest first.
No curated palette has a color within ΔE 0.04 of #6B37CA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.023
- Blurple #5539CC ΔE 0.039
- Burple #6832E3 ΔE 0.040
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Purple Blue #5D21D0 ΔE 0.044
- Purpley Blue #5F34E7 ΔE 0.052
- Grape #7209B7 ΔE 0.063
- Purply Blue #661AEE ΔE 0.064
Use #6B37CA 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.