#6A37AA
Closest named color: Rebecca Purple (#663399). oklch(46.3% 0.175 299.9), rgb(106, 55, 170).
Aa
White text reads best on this color (7.66:1).
About this color
#6A37AA is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.175 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.029 away. White text reads best on it, at 7.66:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #6A37AA |
| RGB | rgb(106, 55, 170) |
| HSL | hsl(267, 51%, 44%) |
| OKLCH | oklch(46.3% 0.175 299.9) |
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 #6A37AA | 7.66:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #6A37AA | 2.73:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #6A37AA text on white | 7.66:1 | AAA | Lc 86.0 | Fine for body text |
| #6A37AA text on black | 2.73:1 | Fails | Lc -16.0 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F4
oklch(88.5% 0.046 299.3)
-
Step 300
300
#C9B5F0
oklch(81% 0.084 300)
-
Step 400
400
#AE8CE8
oklch(70.8% 0.135 300)
-
Step 500
500
#9B6CE1
oklch(63.2% 0.173 300)
-
Step 600
600
#8650CF
oklch(55.6% 0.189 299.8)
-
Step 700
700 (this color)
#6A37AA
oklch(46.3% 0.175 299.9)
-
Step 800
800
#5D3691
oklch(42.8% 0.145 300.1)
-
Step 900
900
#4C3074
oklch(37.8% 0.113 300)
-
Step 950
950
#2C1D44
oklch(27.1% 0.071 299.4)
#6A37AA 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) | #0053AD | 0.124 |
| Deuteranopia (no green cones) | #0052A8 | 0.125 |
| Tritanopia (no blue cones) | #5C526C | 0.132 |
| Achromatopsia (no color) | #535353 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A37AA
#6A37AA
oklch(46.3% 0.175 299.9)
- #526100
#526100
oklch(46.3% 0.11 119.6)
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 #6A37AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.029
- Bluey Purple #6241C7 ΔE 0.052
- Grape #7209B7 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- Blurple #5539CC ΔE 0.068
- Blueberry #464196 ΔE 0.072
- Purple Blue #5D21D0 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.075
Use #6A37AA 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.