#613C13
Closest named color: Mud Brown (#60460F). oklch(39.2% 0.075 64.7), rgb(97, 60, 19).
Aa
White text reads best on this color (9.70:1).
About this color
#613C13 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.075 and its hue 65°. 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 9.70:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #613C13 |
| RGB | rgb(97, 60, 19) |
| HSL | hsl(32, 67%, 23%) |
| OKLCH | oklch(39.2% 0.075 64.7) |
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 #613C13 | 9.70:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #613C13 | 2.16:1 | Fails | Lc 11.7 | Not readable |
| #613C13 text on white | 9.70:1 | AAA | Lc 92.3 | Preferred for body text |
| #613C13 text on black | 2.16:1 | Fails | Lc -10.1 | 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
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E8D5C4
oklch(88.4% 0.031 64.3)
-
Step 300
300
#DBBA9B
oklch(81% 0.057 65.1)
-
Step 400
400
#C89563
oklch(70.7% 0.09 64.9)
-
Step 500
500
#B97935
oklch(63.1% 0.115 64.4)
-
Step 600
600
#A46100
oklch(55.6% 0.125 64.9)
-
Step 700
700
#8B5100
oklch(49.2% 0.111 64.6)
-
Step 800
800
#724200
oklch(42.7% 0.096 65.1)
-
Step 900
900 (this color)
#613C13
oklch(39.2% 0.075 64.7)
-
Step 950
950
#36210B
oklch(26.9% 0.047 64.6)
#613C13 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) | #483F0E | 0.049 |
| Deuteranopia (no green cones) | #514814 | 0.044 |
| Tritanopia (no blue cones) | #6A3334 | 0.058 |
| Achromatopsia (no color) | #444444 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613C13
#613C13
oklch(39.2% 0.075 64.7)
- #1D496B
#1D496B
oklch(39.2% 0.075 244.9)
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 #613C13, 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 0.055
- Green Brown #544E03 ΔE 0.061
- Purple Brown #673A3F ΔE 0.063
- Olive Brown #645403 ΔE 0.074
- Milk Chocolate #7F4E1E ΔE 0.081
- Dark Olive #373E02 ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.084
Use #613C13 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.