#673879
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.115 315.9), rgb(103, 56, 121).
Aa
White text reads best on this color (8.68:1).
About this color
#673879 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.115 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.056 away. White text reads best on it, at 8.68:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #673879 |
| RGB | rgb(103, 56, 121) |
| HSL | hsl(283, 37%, 35%) |
| OKLCH | oklch(42.8% 0.115 315.9) |
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 #673879 | 8.68:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #673879 | 2.41:1 | Fails | Lc 14.5 | Not readable |
| #673879 text on white | 8.68:1 | AAA | Lc 89.5 | Fine for body text |
| #673879 text on black | 2.41:1 | Fails | Lc -12.8 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E3D2EA
oklch(88.5% 0.037 316.2)
-
Step 300
300
#D2B4DE
oklch(80.9% 0.067 316.3)
-
Step 400
400
#BB8BCE
oklch(70.6% 0.109 316.1)
-
Step 500
500
#A96DC1
oklch(63% 0.137 315.8)
-
Step 600
600
#9453AD
oklch(55.5% 0.149 315.9)
-
Step 700
700
#7E4395
oklch(49% 0.139 315.6)
-
Step 800
800 (this color)
#673879
oklch(42.8% 0.115 315.9)
-
Step 900
900
#543161
oklch(37.7% 0.089 316.3)
-
Step 950
950
#311D39
oklch(27% 0.057 315.8)
#673879 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) | #2A487B | 0.102 |
| Deuteranopia (no green cones) | #394D77 | 0.091 |
| Tritanopia (no blue cones) | #664253 | 0.076 |
| Achromatopsia (no color) | #4B4B4B | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673879
#673879
oklch(42.8% 0.115 315.9)
- #2F5C11
#2F5C11
oklch(42.6% 0.115 135.9)
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 #673879, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.064
- Twilight #4E518B ΔE 0.075
- Blueberry #464196 ΔE 0.076
- Light Eggplant #894585 ΔE 0.077
- Dusk #4E5481 ΔE 0.081
- Purple #800080 ΔE 0.085
- Brownish Purple #76424E ΔE 0.090
Use #673879 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.