#6B03AD
Closest named color: Grape (#7209B7). oklch(42.6% 0.221 304), rgb(107, 3, 173).
Aa
White text reads best on this color (9.36:1).
About this color
#6B03AD is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.221 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape (#7209B7), ΔE 0.022 away. White text reads best on it, at 9.36:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.221) |
| Temperature | in between |
| Nearest name | Grape (#7209B7) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #6B03AD |
| RGB | rgb(107, 3, 173) |
| HSL | hsl(277, 97%, 35%) |
| OKLCH | oklch(42.6% 0.221 304) |
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 #6B03AD | 9.36:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #6B03AD | 2.24:1 | Fails | Lc 14.5 | Not readable |
| #6B03AD text on white | 9.36:1 | AAA | Lc 89.5 | Fine for body text |
| #6B03AD text on black | 2.24:1 | Fails | Lc -12.7 | Not readable |
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 800.
-
Step 50
50
#F8F3FF
oklch(97.1% 0.017 304.8)
-
Step 100
100
#EFE4FF
oklch(93.6% 0.038 304.1)
-
Step 200
200
#E3CFFF
oklch(88.6% 0.068 304)
-
Step 300
300
#D1ADFF
oklch(80.8% 0.119 304)
-
Step 400
400
#BB7DFF
oklch(70.7% 0.19 304)
-
Step 500
500
#AC50FF
oklch(63.1% 0.248 304.2)
-
Step 600
600
#9B0AF6
oklch(55.6% 0.287 304.2)
-
Step 700
700
#8300D2
oklch(49.1% 0.256 304.1)
-
Step 800
800 (this color)
#6B03AD
oklch(42.6% 0.221 304)
-
Step 900
900
#571889
oklch(37.7% 0.172 304.2)
-
Step 950
950
#331150
oklch(27% 0.109 304.6)
#6B03AD 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) | #0045B1 | 0.153 |
| Deuteranopia (no green cones) | #0046AA | 0.154 |
| Tritanopia (no blue cones) | #5D4064 | 0.156 |
| Achromatopsia (no color) | #464646 | 0.223 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B03AD
#6B03AD
oklch(42.6% 0.221 304)
- #435800
#435800
oklch(42.7% 0.106 124.1)
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 #6B03AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape #7209B7 ΔE 0.022
- Chrysanthemum #560BAD ΔE 0.045
- Rebecca Purple #663399 ΔE 0.062
- Purple Blue #5D21D0 ΔE 0.072
- Imperial Purple #480CA8 ΔE 0.074
- Violet Blue #510AC9 ΔE 0.075
- Bluey Purple #6241C7 ΔE 0.090
- Blue With A Hint Of Purple #533CC6 ΔE 0.091
Use #6B03AD 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.