#674F37
Closest named color: Mud Brown (#60460F). oklch(44.6% 0.049 66), rgb(103, 79, 55).
Aa
White text reads best on this color (7.63:1).
About this color
#674F37 is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.049 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.047 away. White text reads best on it, at 7.63:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.75:1 |
| White text | 7.63:1 |
Values
| HEX | #674F37 |
| RGB | rgb(103, 79, 55) |
| HSL | hsl(30, 30%, 31%) |
| OKLCH | oklch(44.6% 0.049 66) |
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 #674F37 | 7.63:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #674F37 | 2.75:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #674F37 text on white | 7.63:1 | AAA | Lc 86.5 | Fine for body text |
| #674F37 text on black | 2.75:1 | Fails | Lc -15.6 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EEE9E4
oklch(93.7% 0.009 67.7)
-
Step 200
200
#E1D7CE
oklch(88.5% 0.016 64.6)
-
Step 300
300
#CEBDAE
oklch(80.8% 0.028 63.9)
-
Step 400
400
#B59B83
oklch(70.6% 0.046 64.7)
-
Step 500
500
#A28364
oklch(63.1% 0.058 66.5)
-
Step 600
600
#8D6C4B
oklch(55.6% 0.063 65.9)
-
Step 700
700
#785A3C
oklch(49.1% 0.059 65.7)
-
Step 800
800 (this color)
#674F37
oklch(44.6% 0.049 66)
-
Step 900
900
#503E2C
oklch(37.8% 0.038 66.2)
-
Step 950
950
#2F241A
oklch(27% 0.024 63.8)
#674F37 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) | #575035 | 0.029 |
| Deuteranopia (no green cones) | #5D5637 | 0.026 |
| Tritanopia (no blue cones) | #6F4A49 | 0.038 |
| Achromatopsia (no color) | #535353 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #674F37
#674F37
oklch(44.6% 0.049 66)
- #3E576E
#3E576E
oklch(44.6% 0.049 246.9)
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 #674F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.047
- Milk Chocolate #7F4E1E ΔE 0.049
- Olive Brown #645403 ΔE 0.055
- Medium Brown #7F5112 ΔE 0.056
- Mud #735C12 ΔE 0.064
- Green Brown #544E03 ΔE 0.064
- Brownish Purple #76424E ΔE 0.065
- Purple Brown #673A3F ΔE 0.066
Use #674F37 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.