#613A1F
Closest named color: Mud Brown (#60460F). oklch(38.9% 0.068 54), rgb(97, 58, 31).
Aa
White text reads best on this color (9.84:1).
About this color
#613A1F is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.068 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.042 away. White text reads best on it, at 9.84:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.13:1 |
| White text | 9.84:1 |
Values
| HEX | #613A1F |
| RGB | rgb(97, 58, 31) |
| HSL | hsl(25, 52%, 25%) |
| OKLCH | oklch(38.9% 0.068 54) |
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 #613A1F | 9.84:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #613A1F | 2.13:1 | Fails | Lc 11.3 | Not readable |
| #613A1F text on white | 9.84:1 | AAA | Lc 92.6 | Preferred for body text |
| #613A1F text on black | 2.13:1 | Fails | Lc -9.8 | 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
#F2E7E1
oklch(93.5% 0.014 50.8)
-
Step 200
200
#E9D5C8
oklch(88.6% 0.028 55.3)
-
Step 300
300
#DCB8A2
oklch(80.8% 0.051 53.2)
-
Step 400
400
#C99370
oklch(70.7% 0.081 53.9)
-
Step 500
500
#BA7749
oklch(63.1% 0.104 54.1)
-
Step 600
600
#A65F2A
oklch(55.7% 0.114 54.3)
-
Step 700
700
#8E4E1D
oklch(49.2% 0.106 54.1)
-
Step 800
800
#73401A
oklch(42.7% 0.087 54.2)
-
Step 900
900 (this color)
#613A1F
oklch(38.9% 0.068 54)
-
Step 950
950
#372011
oklch(27% 0.044 53)
#613A1F 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) | #453E1C | 0.055 |
| Deuteranopia (no green cones) | #4F471F | 0.049 |
| Tritanopia (no blue cones) | #6A3234 | 0.046 |
| Achromatopsia (no color) | #434343 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613A1F
#613A1F
oklch(38.9% 0.068 54)
- #174B64
#174B64
oklch(39.1% 0.068 233.5)
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 #613A1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.042
- Purple Brown #673A3F ΔE 0.049
- Chestnut #742802 ΔE 0.051
- Green Brown #544E03 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.077
- Brownish Purple #76424E ΔE 0.081
- Reddy Brown #6E1005 ΔE 0.082
- Rust Brown #8B3103 ΔE 0.083
Use #613A1F 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.