#613F27
Closest named color: Mud Brown (#60460F). oklch(40.1% 0.06 55.3), rgb(97, 63, 39).
Aa
White text reads best on this color (9.33:1).
About this color
#613F27 is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.060 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.037 away. White text reads best on it, at 9.33:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #613F27 |
| RGB | rgb(97, 63, 39) |
| HSL | hsl(25, 43%, 27%) |
| OKLCH | oklch(40.1% 0.06 55.3) |
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 #613F27 | 9.33:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #613F27 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #613F27 text on white | 9.33:1 | AAA | Lc 91.4 | Preferred for body text |
| #613F27 text on black | 2.24:1 | Fails | Lc -10.9 | 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 900.
-
Step 50
50
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E2
oklch(93.6% 0.013 56.2)
-
Step 200
200
#E7D5CA
oklch(88.5% 0.025 53.7)
-
Step 300
300
#D8BAA5
oklch(80.9% 0.045 57)
-
Step 400
400
#C49575
oklch(70.7% 0.072 55.5)
-
Step 500
500
#B57A51
oklch(63.1% 0.093 55)
-
Step 600
600
#A06235
oklch(55.6% 0.1 54.9)
-
Step 700
700
#895127
oklch(49.1% 0.094 55.2)
-
Step 800
800
#6F4322
oklch(42.8% 0.077 55.7)
-
Step 900
900 (this color)
#613F27
oklch(40.1% 0.06 55.3)
-
Step 950
950
#352114
oklch(27% 0.038 53.4)
#613F27 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) | #494225 | 0.045 |
| Deuteranopia (no green cones) | #514A27 | 0.042 |
| Tritanopia (no blue cones) | #693839 | 0.041 |
| Achromatopsia (no color) | #474747 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F27
#613F27
oklch(40.1% 0.06 55.3)
- #244D64
#244D64
oklch(40.1% 0.06 235.6)
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 #613F27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.037
- Purple Brown #673A3F ΔE 0.045
- Chestnut #742802 ΔE 0.061
- Green Brown #544E03 ΔE 0.067
- Brownish Purple #76424E ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.073
- Olive Brown #645403 ΔE 0.077
- Milk Chocolate #7F4E1E ΔE 0.077
Use #613F27 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.