#613B15
Closest named color: Mud Brown (#60460F). oklch(39% 0.074 62.2), rgb(97, 59, 21).
Aa
White text reads best on this color (9.79:1).
About this color
#613B15 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.074 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.034 away. White text reads best on it, at 9.79:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.14:1 |
| White text | 9.79:1 |
Values
| HEX | #613B15 |
| RGB | rgb(97, 59, 21) |
| HSL | hsl(30, 64%, 23%) |
| OKLCH | oklch(39% 0.074 62.2) |
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 #613B15 | 9.79:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #613B15 | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #613B15 text on white | 9.79:1 | AAA | Lc 92.5 | Preferred for body text |
| #613B15 text on black | 2.14:1 | Fails | Lc -10.0 | 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
#E9D5C5
oklch(88.5% 0.031 61.1)
-
Step 300
300
#DBB99C
oklch(80.8% 0.056 62.4)
-
Step 400
400
#C99465
oklch(70.7% 0.09 62.2)
-
Step 500
500
#BA7839
oklch(63% 0.114 61.7)
-
Step 600
600
#A5600C
oklch(55.6% 0.123 62.4)
-
Step 700
700
#8D4F00
oklch(49.1% 0.113 61.8)
-
Step 800
800
#734105
oklch(42.7% 0.095 62.3)
-
Step 900
900 (this color)
#613B15
oklch(39% 0.074 62.2)
-
Step 950
950
#37210C
oklch(27.1% 0.047 62.1)
#613B15 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) | #473E10 | 0.051 |
| Deuteranopia (no green cones) | #504715 | 0.046 |
| Tritanopia (no blue cones) | #6A3233 | 0.056 |
| Achromatopsia (no color) | #444444 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613B15
#613B15
oklch(39% 0.074 62.2)
- #1A4969
#1A4969
oklch(38.9% 0.074 242.1)
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 #613B15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.034
- Chestnut #742802 ΔE 0.053
- Purple Brown #673A3F ΔE 0.060
- Green Brown #544E03 ΔE 0.065
- Olive Brown #645403 ΔE 0.077
- Milk Chocolate #7F4E1E ΔE 0.082
- Charcoal Grey #3C4142 ΔE 0.083
- Dark Olive #373E02 ΔE 0.083
Use #613B15 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.