#613D1B
Closest named color: Mud Brown (#60460F). oklch(39.5% 0.07 61.7), rgb(97, 61, 27).
Aa
White text reads best on this color (9.58:1).
About this color
#613D1B is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.031 away. White text reads best on it, at 9.58:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #613D1B |
| RGB | rgb(97, 61, 27) |
| HSL | hsl(29, 56%, 24%) |
| OKLCH | oklch(39.5% 0.07 61.7) |
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 #613D1B | 9.58:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #613D1B | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #613D1B text on white | 9.58:1 | AAA | Lc 92.0 | Preferred for body text |
| #613D1B text on black | 2.19:1 | 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
#DABA9F
oklch(81% 0.052 62.1)
-
Step 400
400
#C7956A
oklch(70.8% 0.084 61.5)
-
Step 500
500
#B87A40
oklch(63.2% 0.107 61.9)
-
Step 600
600
#A3611C
oklch(55.6% 0.116 61.4)
-
Step 700
700
#8B500C
oklch(49% 0.108 61.8)
-
Step 800
800
#714210
oklch(42.7% 0.089 61.8)
-
Step 900
900 (this color)
#613D1B
oklch(39.5% 0.07 61.7)
-
Step 950
950
#36210E
oklch(27% 0.044 61.2)
#613D1B 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) | #484017 | 0.049 |
| Deuteranopia (no green cones) | #51481B | 0.042 |
| Tritanopia (no blue cones) | #6A3535 | 0.051 |
| Achromatopsia (no color) | #454545 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D1B
#613D1B
oklch(39.5% 0.07 61.7)
- #1F4B68
#1F4B68
oklch(39.6% 0.069 240.5)
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 #613D1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.031
- Purple Brown #673A3F ΔE 0.056
- Chestnut #742802 ΔE 0.056
- Green Brown #544E03 ΔE 0.063
- Olive Brown #645403 ΔE 0.074
- Milk Chocolate #7F4E1E ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.080
- Rust Brown #8B3103 ΔE 0.084
Use #613D1B 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.