#504359
Closest named color: Charcoal Grey (#3C4142). oklch(40.5% 0.04 311.2), rgb(80, 67, 89).
Aa
White text reads best on this color (9.17:1).
About this color
#504359 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.040 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.054 away. White text reads best on it, at 9.17:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #504359 |
| RGB | rgb(80, 67, 89) |
| HSL | hsl(275, 14%, 31%) |
| OKLCH | oklch(40.5% 0.04 311.2) |
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 #504359 | 9.17:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #504359 | 2.28:1 | Fails | Lc 12.8 | Not readable |
| #504359 text on white | 9.17:1 | AAA | Lc 91.1 | Preferred for body text |
| #504359 text on black | 2.28:1 | Fails | Lc -11.2 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DCD7DF
oklch(88.5% 0.012 313.2)
-
Step 300
300
#C5BDCC
oklch(80.9% 0.023 309.5)
-
Step 400
400
#A89AB2
oklch(70.6% 0.038 311.3)
-
Step 500
500
#93829F
oklch(63.2% 0.047 311.2)
-
Step 600
600
#7D6B8A
oklch(55.6% 0.052 310.9)
-
Step 700
700
#6A5975
oklch(49.1% 0.048 311.9)
-
Step 800
800 (this color)
#504359
oklch(40.5% 0.04 311.2)
-
Step 900
900
#473D4E
oklch(37.7% 0.031 311.3)
-
Step 950
950
#2A242E
oklch(27.1% 0.02 311.8)
#504359 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) | #40475A | 0.028 |
| Deuteranopia (no green cones) | #424858 | 0.027 |
| Tritanopia (no blue cones) | #4F464B | 0.028 |
| Achromatopsia (no color) | #484848 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504359
#504359
oklch(40.5% 0.04 311.2)
- #414E37
#414E37
oklch(40.6% 0.041 132)
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 #504359, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.054
- Purple Brown #673A3F ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.058
- Charcoal #264653 ΔE 0.064
- Dark Slate Gray #2F4F4F ΔE 0.066
- Dusty Grape #545775 ΔE 0.066
- Onyx #343A40 ΔE 0.070
- Brownish Purple #76424E ΔE 0.072
Use #504359 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.