#575437
Closest named color: Olive Brown (#645403). oklch(44.1% 0.044 103), rgb(87, 84, 55).
Aa
White text reads best on this color (7.69:1).
About this color
#575437 is a dark, muted brown. In OKLCH its lightness is 44%, 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 7.69:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #575437 |
| RGB | rgb(87, 84, 55) |
| HSL | hsl(54, 23%, 28%) |
| OKLCH | oklch(44.1% 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 #575437 | 7.69:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #575437 | 2.72:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #575437 text on white | 7.69:1 | AAA | Lc 86.7 | Fine for body text |
| #575437 text on black | 2.72:1 | Fails | Lc -15.4 | 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)
#575437
oklch(44.1% 0.044 103)
-
Step 900
900
#45432D
oklch(37.8% 0.035 103.5)
-
Step 950
950
#28271B
oklch(27% 0.021 103.7)
#575437 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) | #595235 | 0.006 |
| Deuteranopia (no green cones) | #5A5438 | 0.005 |
| Tritanopia (no blue cones) | #5C504D | 0.041 |
| Achromatopsia (no color) | #535353 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575437
#575437
oklch(44.1% 0.044 103)
- #4F506B
#4F506B
oklch(44.1% 0.044 282.8)
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 #575437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.048
- Mud Brown #60460F ΔE 0.049
- Green Brown #544E03 ΔE 0.049
- Army Green #4B5D16 ΔE 0.058
- Pine #2B5D34 ΔE 0.064
- Camo Green #526525 ΔE 0.064
- Mud #735C12 ΔE 0.066
- Camouflage Green #4B6113 ΔE 0.068
Use #575437 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.