#6337B6
Closest named color: Bluey Purple (#6241C7). oklch(46.5% 0.188 293.6), rgb(99, 55, 182).
Aa
White text reads best on this color (7.62:1).
About this color
#6337B6 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.188 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.033 away. White text reads best on it, at 7.62:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #6337B6 |
| RGB | rgb(99, 55, 182) |
| HSL | hsl(261, 54%, 46%) |
| OKLCH | oklch(46.5% 0.188 293.6) |
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 #6337B6 | 7.62:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #6337B6 | 2.75:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #6337B6 text on white | 7.62:1 | AAA | Lc 85.8 | Fine for body text |
| #6337B6 text on black | 2.75:1 | Fails | Lc -16.2 | 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
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD3F8
oklch(88.4% 0.051 294)
-
Step 300
300
#C3B6F6
oklch(80.9% 0.09 293.6)
-
Step 400
400
#A68DF2
oklch(70.7% 0.146 293.7)
-
Step 500
500
#926DED
oklch(63.2% 0.185 293.7)
-
Step 600
600
#7D50DC
oklch(55.6% 0.203 293.5)
-
Step 700
700 (this color)
#6337B6
oklch(46.5% 0.188 293.6)
-
Step 800
800
#56369A
oklch(42.7% 0.155 293.5)
-
Step 900
900
#46307B
oklch(37.7% 0.122 293.2)
-
Step 950
950
#291D48
oklch(27% 0.077 293.4)
#6337B6 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) | #0055BA | 0.112 |
| Deuteranopia (no green cones) | #0051B3 | 0.111 |
| Tritanopia (no blue cones) | #4B5772 | 0.149 |
| Achromatopsia (no color) | #545454 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6337B6
#6337B6
oklch(46.5% 0.188 293.6)
- #5A5F00
#5A5F00
oklch(46.5% 0.104 113.3)
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 #6337B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.033
- Blue With A Hint Of Purple #533CC6 ΔE 0.039
- Blurple #5539CC ΔE 0.044
- Rebecca Purple #663399 ΔE 0.048
- Purple Blue #5D21D0 ΔE 0.053
- Grape #7209B7 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.068
- Majorelle Blue #3F37C9 ΔE 0.069
Use #6337B6 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.