#613C25
Closest named color: Mud Brown (#60460F). oklch(39.5% 0.063 51.9), rgb(97, 60, 37).
Aa
White text reads best on this color (9.62:1).
About this color
#613C25 is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.063 and its hue 52°. 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 9.62:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #613C25 |
| RGB | rgb(97, 60, 37) |
| HSL | hsl(23, 45%, 26%) |
| OKLCH | oklch(39.5% 0.063 51.9) |
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 #613C25 | 9.62:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #613C25 | 2.18:1 | Fails | Lc 11.8 | Not readable |
| #613C25 text on white | 9.62:1 | AAA | Lc 92.1 | Preferred for body text |
| #613C25 text on black | 2.18:1 | Fails | Lc -10.3 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E8E2
oklch(93.7% 0.014 53.3)
-
Step 200
200
#E8D5CA
oklch(88.6% 0.026 52.2)
-
Step 300
300
#DAB9A5
oklch(80.9% 0.047 53)
-
Step 400
400
#C79475
oklch(70.8% 0.075 52.4)
-
Step 500
500
#B87851
oklch(63.1% 0.097 51.6)
-
Step 600
600
#A36034
oklch(55.6% 0.105 52.2)
-
Step 700
700
#8C4F27
oklch(49.2% 0.098 51.7)
-
Step 800
800
#714121
oklch(42.6% 0.081 52.5)
-
Step 900
900 (this color)
#613C25
oklch(39.5% 0.063 51.9)
-
Step 950
950
#362114
oklch(27.1% 0.039 52.1)
#613C25 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) | #464023 | 0.052 |
| Deuteranopia (no green cones) | #4F4825 | 0.047 |
| Tritanopia (no blue cones) | #6A3536 | 0.040 |
| Achromatopsia (no color) | #454545 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613C25
#613C25
oklch(39.5% 0.063 51.9)
- #1D4C62
#1D4C62
oklch(39.5% 0.063 231.7)
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 #613C25, 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 0.043
- Chestnut #742802 ΔE 0.055
- Green Brown #544E03 ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.074
- Brownish Purple #76424E ΔE 0.075
- Milk Chocolate #7F4E1E ΔE 0.082
- Olive Brown #645403 ΔE 0.083
Use #613C25 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.