#613F2C
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.056 49.8), rgb(97, 63, 44).
Aa
White text reads best on this color (9.30:1).
About this color
#613F2C is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.056 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 9.30:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #613F2C |
| RGB | rgb(97, 63, 44) |
| HSL | hsl(22, 38%, 28%) |
| OKLCH | oklch(40.2% 0.056 49.8) |
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 #613F2C | 9.30:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #613F2C | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #613F2C text on white | 9.30:1 | AAA | Lc 91.4 | Preferred for body text |
| #613F2C text on black | 2.25:1 | Fails | Lc -11.0 | 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
#EFE8E4
oklch(93.5% 0.009 52.1)
-
Step 200
200
#E4D6CF
oklch(88.5% 0.018 48.5)
-
Step 300
300
#D3BBAE
oklch(80.9% 0.033 50.3)
-
Step 400
400
#BD9884
oklch(70.8% 0.053 49.9)
-
Step 500
500
#AB7E65
oklch(63.1% 0.067 50.2)
-
Step 600
600
#96664C
oklch(55.5% 0.073 49.2)
-
Step 700
700
#80553D
oklch(49.1% 0.068 49.8)
-
Step 800
800 (this color)
#613F2C
oklch(40.2% 0.056 49.8)
-
Step 900
900
#553B2C
oklch(37.8% 0.044 50.9)
-
Step 950
950
#32221A
oklch(26.9% 0.029 47.6)
#613F2C 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) | #48422A | 0.047 |
| Deuteranopia (no green cones) | #504A2C | 0.044 |
| Tritanopia (no blue cones) | #69393A | 0.035 |
| Achromatopsia (no color) | #474747 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F2C
#613F2C
oklch(40.2% 0.056 49.8)
- #244E61
#244E61
oklch(40.2% 0.057 229.9)
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 #613F2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Mud Brown #60460F ΔE 0.043
- Chestnut #742802 ΔE 0.062
- Brownish Purple #76424E ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.070
- Green Brown #544E03 ΔE 0.072
- Milk Chocolate #7F4E1E ΔE 0.078
- Olive Brown #645403 ΔE 0.081
Use #613F2C 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.