#504357
Closest named color: Charcoal Grey (#3C4142). oklch(40.4% 0.037 313.7), rgb(80, 67, 87).
Aa
White text reads best on this color (9.20:1).
About this color
#504357 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.037 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.051 away. White text reads best on it, at 9.20:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #504357 |
| RGB | rgb(80, 67, 87) |
| HSL | hsl(279, 13%, 30%) |
| OKLCH | oklch(40.4% 0.037 313.7) |
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 #504357 | 9.20:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #504357 | 2.28:1 | Fails | Lc 12.7 | Not readable |
| #504357 text on white | 9.20:1 | AAA | Lc 91.2 | Preferred for body text |
| #504357 text on black | 2.28:1 | Fails | Lc -11.1 | 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
#C6BDCB
oklch(81% 0.022 313.8)
-
Step 400
400
#A89BB0
oklch(70.7% 0.033 312.8)
-
Step 500
500
#93829D
oklch(63.1% 0.044 313)
-
Step 600
600
#7E6B87
oklch(55.6% 0.048 314.9)
-
Step 700
700
#6A5973
oklch(49% 0.046 313.9)
-
Step 800
800 (this color)
#504357
oklch(40.4% 0.037 313.7)
-
Step 900
900
#473D4D
oklch(37.7% 0.03 312.8)
-
Step 950
950
#2A242D
oklch(27.1% 0.018 314.5)
#504357 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) | #404758 | 0.028 |
| Deuteranopia (no green cones) | #434856 | 0.026 |
| Tritanopia (no blue cones) | #50454A | 0.025 |
| Achromatopsia (no color) | #484848 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504357
#504357
oklch(40.4% 0.037 313.7)
- #414D39
#414D39
oklch(40.3% 0.036 133.1)
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 #504357, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.051
- Purple Brown #673A3F ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.057
- Charcoal #264653 ΔE 0.063
- Dark Slate Gray #2F4F4F ΔE 0.064
- Onyx #343A40 ΔE 0.068
- Dusty Grape #545775 ΔE 0.068
- Brownish Purple #76424E ΔE 0.072
Use #504357 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.