#673288
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.143 310.1), rgb(103, 50, 136).
Aa
White text reads best on this color (8.79:1).
About this color
#673288 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.143 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.028 away. White text reads best on it, at 8.79:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #673288 |
| RGB | rgb(103, 50, 136) |
| HSL | hsl(277, 46%, 36%) |
| OKLCH | oklch(42.8% 0.143 310.1) |
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 #673288 | 8.79:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #673288 | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #673288 text on white | 8.79:1 | AAA | Lc 89.6 | Fine for body text |
| #673288 text on black | 2.38:1 | Fails | Lc -12.6 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F6
oklch(93.7% 0.023 310.7)
-
Step 200
200
#E3D1F1
oklch(88.5% 0.047 310.5)
-
Step 300
300
#D1B2E9
oklch(80.9% 0.083 310.1)
-
Step 400
400
#BA88DE
oklch(70.7% 0.132 310.1)
-
Step 500
500
#A967D5
oklch(63.1% 0.17 310.1)
-
Step 600
600
#944BC2
oklch(55.6% 0.185 310)
-
Step 700
700
#7E3BA8
oklch(49.1% 0.172 309.8)
-
Step 800
800 (this color)
#673288
oklch(42.8% 0.143 310.1)
-
Step 900
900
#542D6D
oklch(37.8% 0.111 310.3)
-
Step 950
950
#311B40
oklch(27% 0.071 309.9)
#673288 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) | #0C488B | 0.126 |
| Deuteranopia (no green cones) | #284B86 | 0.110 |
| Tritanopia (no blue cones) | #634358 | 0.099 |
| Achromatopsia (no color) | #4B4B4B | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673288
#673288
oklch(42.8% 0.143 310.1)
- #395B00
#395B00
oklch(42.8% 0.116 130.2)
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 #673288, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.060
- Blueberry #464196 ΔE 0.069
- Purple #800080 ΔE 0.074
- Twilight #4E518B ΔE 0.084
- Dark Magenta #8B008B ΔE 0.085
- Light Eggplant #894585 ΔE 0.086
- Grape #7209B7 ΔE 0.090
Use #673288 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.