#5B583B
Closest named color: Olive Brown (#645403). oklch(45.5% 0.044 103), rgb(91, 88, 59).
Aa
White text reads best on this color (7.23:1).
About this color
#5B583B is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.044 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.048 away. White text reads best on it, at 7.23:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #5B583B |
| RGB | rgb(91, 88, 59) |
| HSL | hsl(54, 21%, 29%) |
| OKLCH | oklch(45.5% 0.044 103) |
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 #5B583B | 7.23:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #5B583B | 2.90:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #5B583B text on white | 7.23:1 | AAA | Lc 85.1 | Fine for body text |
| #5B583B text on black | 2.90:1 | Fails | Lc -16.9 | Dividers and decoration only |
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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#DADACF
oklch(88.5% 0.015 106.7)
-
Step 300
300
#C3C2AF
oklch(81% 0.026 104.5)
-
Step 400
400
#A5A285
oklch(70.7% 0.041 102.5)
-
Step 500
500
#8F8B66
oklch(63.1% 0.053 102.6)
-
Step 600
600
#79754D
oklch(55.6% 0.058 103.2)
-
Step 700
700
#66623E
oklch(49% 0.053 102.7)
-
Step 800
800 (this color)
#5B583B
oklch(45.5% 0.044 103)
-
Step 900
900
#45432D
oklch(37.8% 0.035 103.5)
-
Step 950
950
#28271B
oklch(27% 0.021 103.7)
#5B583B 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) | #5D5639 | 0.006 |
| Deuteranopia (no green cones) | #5E583C | 0.005 |
| Tritanopia (no blue cones) | #605451 | 0.041 |
| Achromatopsia (no color) | #575757 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B583B
#5B583B
oklch(45.5% 0.044 103)
- #53546F
#53546F
oklch(45.6% 0.044 282.9)
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 #5B583B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.048
- Camo Green #526525 ΔE 0.057
- Green Brown #544E03 ΔE 0.057
- Army Green #4B5D16 ΔE 0.058
- Mud #735C12 ΔE 0.058
- Mud Brown #60460F ΔE 0.058
- Greeny Brown #696006 ΔE 0.061
- Dark Moss Green #606C38 ΔE 0.064
Use #5B583B 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.