#613F20
Closest named color: Mud Brown (#60460F). oklch(40% 0.066 61.5), rgb(97, 63, 32).
Aa
White text reads best on this color (9.37:1).
About this color
#613F20 is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.066 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.030 away. White text reads best on it, at 9.37:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.24:1 |
| White text | 9.37:1 |
Values
| HEX | #613F20 |
| RGB | rgb(97, 63, 32) |
| HSL | hsl(29, 50%, 25%) |
| OKLCH | oklch(40% 0.066 61.5) |
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 #613F20 | 9.37:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #613F20 | 2.24:1 | Fails | Lc 12.5 | Not readable |
| #613F20 text on white | 9.37:1 | AAA | Lc 91.5 | Preferred for body text |
| #613F20 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F1E8E0
oklch(93.6% 0.015 64.3)
-
Step 200
200
#E7D6C7
oklch(88.6% 0.028 63.9)
-
Step 300
300
#D9BAA1
oklch(80.9% 0.049 60.9)
-
Step 400
400
#C5966E
oklch(70.8% 0.078 61.4)
-
Step 500
500
#B57B46
oklch(63.1% 0.1 61.8)
-
Step 600
600
#A06326
oklch(55.6% 0.109 61.8)
-
Step 700
700
#895118
oklch(49% 0.101 61.1)
-
Step 800
800
#6F4317
oklch(42.6% 0.084 61.7)
-
Step 900
900 (this color)
#613F20
oklch(40% 0.066 61.5)
-
Step 950
950
#352210
oklch(27.1% 0.041 63)
#613F20 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) | #4A421D | 0.044 |
| Deuteranopia (no green cones) | #524A20 | 0.041 |
| Tritanopia (no blue cones) | #6A3838 | 0.048 |
| Achromatopsia (no color) | #464646 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F20
#613F20
oklch(40% 0.066 61.5)
- #244C68
#244C68
oklch(40.1% 0.065 241.5)
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 #613F20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.030
- Purple Brown #673A3F ΔE 0.053
- Chestnut #742802 ΔE 0.060
- Green Brown #544E03 ΔE 0.061
- Olive Brown #645403 ΔE 0.072
- Milk Chocolate #7F4E1E ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.077
- Brownish Purple #76424E ΔE 0.080
Use #613F20 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.