#613803
Closest named color: Mud Brown (#60460F). oklch(38.3% 0.084 64.9), rgb(97, 56, 3).
Aa
White text reads best on this color (10.11:1).
About this color
#613803 is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.084 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.038 away. White text reads best on it, at 10.11:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #613803 |
| RGB | rgb(97, 56, 3) |
| HSL | hsl(34, 94%, 20%) |
| OKLCH | oklch(38.3% 0.084 64.9) |
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 #613803 | 10.11:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #613803 | 2.07:1 | Fails | Lc 10.8 | Not readable |
| #613803 text on white | 10.11:1 | AAA | Lc 93.2 | Preferred for body text |
| #613803 text on black | 2.07:1 | Fails | Lc -9.3 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E8DE
oklch(93.7% 0.018 64.9)
-
Step 200
200
#EAD5C2
oklch(88.5% 0.035 64.5)
-
Step 300
300
#DEB996
oklch(80.9% 0.064 65.1)
-
Step 400
400
#CC935A
oklch(70.7% 0.101 64.9)
-
Step 500
500
#BE7723
oklch(63.2% 0.129 65)
-
Step 600
600
#A46100
oklch(55.6% 0.125 64.9)
-
Step 700
700
#8A5100
oklch(49% 0.11 65.1)
-
Step 800
800
#724200
oklch(42.7% 0.096 65.1)
-
Step 900
900 (this color)
#613803
oklch(38.3% 0.084 64.9)
-
Step 950
950
#382006
oklch(27% 0.053 64.2)
#613803 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) | #453C00 | 0.056 |
| Deuteranopia (no green cones) | #4F4504 | 0.049 |
| Tritanopia (no blue cones) | #6B2E2F | 0.064 |
| Achromatopsia (no color) | #424242 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613803
#613803
oklch(38.3% 0.084 64.9)
- #12476C
#12476C
oklch(38.4% 0.083 244.1)
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 #613803, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.038
- Chestnut #742802 ΔE 0.051
- Green Brown #544E03 ΔE 0.067
- Purple Brown #673A3F ΔE 0.071
- Dark Olive #373E02 ΔE 0.080
- Olive Brown #645403 ΔE 0.081
- Reddy Brown #6E1005 ΔE 0.083
- Rust Brown #8B3103 ΔE 0.086
Use #613803 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.