#673370
Closest named color: Rebecca Purple (#663399). oklch(41.4% 0.114 321.5), rgb(103, 51, 112).
Aa
White text reads best on this color (9.19:1).
About this color
#673370 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.114 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.068 away. White text reads best on it, at 9.19:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #673370 |
| RGB | rgb(103, 51, 112) |
| HSL | hsl(291, 37%, 32%) |
| OKLCH | oklch(41.4% 0.114 321.5) |
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 #673370 | 9.19:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #673370 | 2.28:1 | Fails | Lc 13.1 | Not readable |
| #673370 text on white | 9.19:1 | AAA | Lc 90.8 | Preferred for body text |
| #673370 text on black | 2.28:1 | Fails | Lc -11.5 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D2E8
oklch(88.6% 0.036 321.6)
-
Step 300
300
#D5B3DB
oklch(80.9% 0.067 321.2)
-
Step 400
400
#BF8AC8
oklch(70.6% 0.106 321.5)
-
Step 500
500
#AF6BBA
oklch(63.1% 0.136 321.9)
-
Step 600
600
#9A51A6
oklch(55.5% 0.148 321.8)
-
Step 700
700
#83428F
oklch(49.2% 0.137 321.2)
-
Step 800
800 (this color)
#673370
oklch(41.4% 0.114 321.5)
-
Step 900
900
#57305D
oklch(37.7% 0.088 322.1)
-
Step 950
950
#331C37
oklch(26.9% 0.058 321.5)
#673370 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) | #294472 | 0.107 |
| Deuteranopia (no green cones) | #394A6E | 0.096 |
| Tritanopia (no blue cones) | #683B4C | 0.070 |
| Achromatopsia (no color) | #484848 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673370
#673370
oklch(41.4% 0.114 321.5)
- #205A19
#205A19
oklch(41.4% 0.114 141.6)
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 #673370, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.074
- Rich Purple #720058 ΔE 0.079
- Velvet #750851 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.080
- Purple #800080 ΔE 0.082
- Brownish Purple #76424E ΔE 0.085
- Light Eggplant #894585 ΔE 0.087
Use #673370 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.