#584740
Closest named color: Purple Brown (#673A3F). oklch(41.3% 0.026 43.6), rgb(88, 71, 64).
Aa
White text reads best on this color (8.78:1).
About this color
#584740 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Purple Brown (#673A3F), ΔE 0.044 away. White text reads best on it, at 8.78:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.39:1 |
| White text | 8.78:1 |
Values
| HEX | #584740 |
| RGB | rgb(88, 71, 64) |
| HSL | hsl(18, 16%, 30%) |
| OKLCH | oklch(41.3% 0.026 43.6) |
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 #584740 | 8.78:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #584740 | 2.39:1 | Fails | Lc 13.9 | Not readable |
| #584740 text on white | 8.78:1 | AAA | Lc 90.1 | Preferred for body text |
| #584740 text on black | 2.39:1 | Fails | Lc -12.2 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#ECE9E7
oklch(93.6% 0.004 56.4)
-
Step 200
200
#DED7D5
oklch(88.4% 0.008 36.6)
-
Step 300
300
#CABEB9
oklch(81% 0.015 44.1)
-
Step 400
400
#AF9C95
oklch(70.7% 0.025 41.3)
-
Step 500
500
#9B847B
oklch(63.2% 0.031 42.5)
-
Step 600
600
#856D64
oklch(55.5% 0.034 41.6)
-
Step 700
700
#715B52
oklch(49.1% 0.032 43.4)
-
Step 800
800 (this color)
#584740
oklch(41.3% 0.026 43.6)
-
Step 900
900
#4B3E39
oklch(37.6% 0.02 42.2)
-
Step 950
950
#2C2521
oklch(27.1% 0.013 51.6)
#584740 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) | #4B4940 | 0.023 |
| Deuteranopia (no green cones) | #4F4C40 | 0.021 |
| Tritanopia (no blue cones) | #5D4445 | 0.017 |
| Achromatopsia (no color) | #4B4B4B | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #584740
#584740
oklch(41.3% 0.026 43.6)
- #3C4F56
#3C4F56
oklch(41.4% 0.026 222.4)
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 #584740, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.054
- Mud Brown #60460F ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.063
- Brownish Purple #76424E ΔE 0.064
- Green Brown #544E03 ΔE 0.077
- Onyx #343A40 ΔE 0.078
- Charcoal #264653 ΔE 0.080
Use #584740 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.