#613D19
Closest named color: Mud Brown (#60460F). oklch(39.5% 0.071 63), rgb(97, 61, 25).
Aa
White text reads best on this color (9.58:1).
About this color
#613D19 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.071 and its hue 63°. 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 9.58:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.18:1 |
| White text | 9.58:1 |
Values
| HEX | #613D19 |
| RGB | rgb(97, 61, 25) |
| HSL | hsl(30, 59%, 24%) |
| OKLCH | oklch(39.5% 0.071 63) |
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 #613D19 | 9.58:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #613D19 | 2.18:1 | Fails | Lc 11.9 | Not readable |
| #613D19 text on white | 9.58:1 | AAA | Lc 92.0 | Preferred for body text |
| #613D19 text on black | 2.18:1 | Fails | Lc -10.4 | 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
#F2E8E0
oklch(93.7% 0.015 61.3)
-
Step 200
200
#E8D5C6
oklch(88.4% 0.029 60.7)
-
Step 300
300
#DABA9E
oklch(80.9% 0.053 63.2)
-
Step 400
400
#C79568
oklch(70.7% 0.085 62.7)
-
Step 500
500
#B87A3D
oklch(63.2% 0.109 63)
-
Step 600
600
#A36116
oklch(55.5% 0.119 62.6)
-
Step 700
700
#8C5004
oklch(49.1% 0.111 62.6)
-
Step 800
800
#71420B
oklch(42.6% 0.091 63.3)
-
Step 900
900 (this color)
#613D19
oklch(39.5% 0.071 63)
-
Step 950
950
#36210D
oklch(27% 0.045 62.4)
#613D19 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) | #484015 | 0.049 |
| Deuteranopia (no green cones) | #514819 | 0.042 |
| Tritanopia (no blue cones) | #6A3535 | 0.053 |
| Achromatopsia (no color) | #454545 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D19
#613D19
oklch(39.5% 0.071 63)
- #1F4A69
#1F4A69
oklch(39.4% 0.071 242.8)
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 #613D19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.030
- Chestnut #742802 ΔE 0.056
- Purple Brown #673A3F ΔE 0.058
- Green Brown #544E03 ΔE 0.062
- Olive Brown #645403 ΔE 0.073
- Milk Chocolate #7F4E1E ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.081
- Rust Brown #8B3103 ΔE 0.084
Use #613D19 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.