#604D40
Closest named color: Mud Brown (#60460F). oklch(43.6% 0.033 56.1), rgb(96, 77, 64).
Aa
White text reads best on this color (7.97:1).
About this color
#604D40 is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.033 and its hue 56°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.055 away. White text reads best on it, at 7.97:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #604D40 |
| RGB | rgb(96, 77, 64) |
| HSL | hsl(24, 20%, 31%) |
| OKLCH | oklch(43.6% 0.033 56.1) |
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 #604D40 | 7.97:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #604D40 | 2.63:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #604D40 text on white | 7.97:1 | AAA | Lc 87.6 | Fine for body text |
| #604D40 text on black | 2.63:1 | Fails | Lc -14.5 | 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
#EDE9E6
oklch(93.6% 0.006 59.6)
-
Step 200
200
#DFD7D2
oklch(88.4% 0.011 54.5)
-
Step 300
300
#CBBEB5
oklch(81% 0.019 57.2)
-
Step 400
400
#B09C8F
oklch(70.7% 0.03 55.1)
-
Step 500
500
#9D8473
oklch(63.2% 0.039 56.1)
-
Step 600
600
#876D5B
oklch(55.5% 0.043 56.4)
-
Step 700
700
#735B4B
oklch(49.1% 0.04 55.3)
-
Step 800
800 (this color)
#604D40
oklch(43.6% 0.033 56.1)
-
Step 900
900
#4D3E35
oklch(37.7% 0.026 52.6)
-
Step 950
950
#2D251F
oklch(27.2% 0.016 58.9)
#604D40 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) | #524E3F | 0.024 |
| Deuteranopia (no green cones) | #575240 | 0.021 |
| Tritanopia (no blue cones) | #664949 | 0.024 |
| Achromatopsia (no color) | #515151 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604D40
#604D40
oklch(43.6% 0.033 56.1)
- #405561
#405561
oklch(43.7% 0.033 233.5)
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 #604D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.055
- Purple Brown #673A3F ΔE 0.055
- Brownish Purple #76424E ΔE 0.059
- Milk Chocolate #7F4E1E ΔE 0.068
- Olive Brown #645403 ΔE 0.070
- Green Brown #544E03 ΔE 0.072
- Dark Slate Gray #2F4F4F ΔE 0.074
- Medium Brown #7F5112 ΔE 0.076
Use #604D40 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.