#674539
Closest named color: Purple Brown (#673A3F). oklch(42.5% 0.051 40.2), rgb(103, 69, 57).
Aa
White text reads best on this color (8.44:1).
About this color
#674539 is a dark, muted brown. In OKLCH its lightness is 43%, its chroma 0.051 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 8.44:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.48:1 |
| White text | 8.44:1 |
Values
| HEX | #674539 |
| RGB | rgb(103, 69, 57) |
| HSL | hsl(16, 29%, 31%) |
| OKLCH | oklch(42.5% 0.051 40.2) |
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 #674539 | 8.44:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #674539 | 2.48:1 | Fails | Lc 15.0 | Not readable |
| #674539 text on white | 8.44:1 | AAA | Lc 89.0 | Fine for body text |
| #674539 text on black | 2.48:1 | Fails | Lc -13.2 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E3D6D1
oklch(88.5% 0.016 42.4)
-
Step 300
300
#D3BBB2
oklch(81% 0.03 41.7)
-
Step 400
400
#BC978A
oklch(70.7% 0.048 40.3)
-
Step 500
500
#AA7D6D
oklch(63% 0.061 40.4)
-
Step 600
600
#956655
oklch(55.5% 0.066 40.7)
-
Step 700
700
#7F5546
oklch(49.1% 0.061 40.4)
-
Step 800
800 (this color)
#674539
oklch(42.5% 0.051 40.2)
-
Step 900
900
#543A31
oklch(37.5% 0.04 39.9)
-
Step 950
950
#31221D
oklch(26.9% 0.025 39.2)
#674539 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) | #4D4938 | 0.048 |
| Deuteranopia (no green cones) | #555039 | 0.044 |
| Tritanopia (no blue cones) | #6F4042 | 0.027 |
| Achromatopsia (no color) | #4D4D4D | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #674539
#674539
oklch(42.5% 0.051 40.2)
- #2B5562
#2B5562
oklch(42.5% 0.051 220.3)
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 #674539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Brownish Purple #76424E ΔE 0.047
- Mud Brown #60460F ΔE 0.053
- Milk Chocolate #7F4E1E ΔE 0.065
- Chestnut #742802 ΔE 0.075
- Medium Brown #7F5112 ΔE 0.076
- Saddle Brown #8B4513 ΔE 0.077
- Olive Brown #645403 ΔE 0.079
Use #674539 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.