#604F37
Closest named color: Mud Brown (#60460F). oklch(43.8% 0.043 75.8), rgb(96, 79, 55).
Aa
White text reads best on this color (7.86:1).
About this color
#604F37 is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.043 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.043 away. White text reads best on it, at 7.86:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.67:1 |
| White text | 7.86:1 |
Values
| HEX | #604F37 |
| RGB | rgb(96, 79, 55) |
| HSL | hsl(35, 27%, 30%) |
| OKLCH | oklch(43.8% 0.043 75.8) |
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 #604F37 | 7.86:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #604F37 | 2.67:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #604F37 text on white | 7.86:1 | AAA | Lc 87.3 | Fine for body text |
| #604F37 text on black | 2.67:1 | Fails | Lc -14.9 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EDE9E5
oklch(93.6% 0.007 67.7)
-
Step 200
200
#DFD8CF
oklch(88.5% 0.014 74.4)
-
Step 300
300
#CABFAF
oklch(80.9% 0.025 77.4)
-
Step 400
400
#AF9E85
oklch(70.7% 0.04 77.5)
-
Step 500
500
#9C8667
oklch(63.2% 0.051 76.1)
-
Step 600
600
#866F4E
oklch(55.5% 0.055 76.2)
-
Step 700
700
#725D3F
oklch(49.2% 0.052 75.9)
-
Step 800
800 (this color)
#604F37
oklch(43.8% 0.043 75.8)
-
Step 900
900
#4C3F2D
oklch(37.6% 0.034 75.5)
-
Step 950
950
#2D251B
oklch(27% 0.021 72.9)
#604F37 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) | #564F35 | 0.018 |
| Deuteranopia (no green cones) | #5A5338 | 0.015 |
| Tritanopia (no blue cones) | #664A49 | 0.038 |
| Achromatopsia (no color) | #525252 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604F37
#604F37
oklch(43.8% 0.043 75.8)
- #42536A
#42536A
oklch(43.7% 0.044 256.1)
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 #604F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.043
- Olive Brown #645403 ΔE 0.054
- Green Brown #544E03 ΔE 0.057
- Milk Chocolate #7F4E1E ΔE 0.060
- Medium Brown #7F5112 ΔE 0.065
- Purple Brown #673A3F ΔE 0.067
- Mud #735C12 ΔE 0.069
- Brownish Purple #76424E ΔE 0.072
Use #604F37 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.