#613018
Closest named color: Chestnut (#742802). oklch(36.9% 0.08 45.3), rgb(97, 48, 24).
Aa
White text reads best on this color (10.80:1).
About this color
#613018 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.080 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.040 away. White text reads best on it, at 10.80:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.94:1 |
| White text | 10.80:1 |
Values
| HEX | #613018 |
| RGB | rgb(97, 48, 24) |
| HSL | hsl(20, 60%, 24%) |
| OKLCH | oklch(36.9% 0.08 45.3) |
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 #613018 | 10.80:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #613018 | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #613018 text on white | 10.80:1 | AAA | Lc 94.7 | Preferred for body text |
| #613018 text on black | 1.94:1 | Fails | Lc -7.9 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#EDD3C7
oklch(88.5% 0.033 46.4)
-
Step 300
300
#E2B5A1
oklch(80.8% 0.059 45.2)
-
Step 400
400
#D28D6E
oklch(70.6% 0.095 44.9)
-
Step 500
500
#C56F47
oklch(63% 0.122 44.8)
-
Step 600
600
#B15627
oklch(55.7% 0.133 45.4)
-
Step 700
700
#974519
oklch(49% 0.123 45.3)
-
Step 800
800
#7B3A18
oklch(42.8% 0.102 45.6)
-
Step 900
900 (this color)
#613018
oklch(36.9% 0.08 45.3)
-
Step 950
950
#3A1E10
oklch(27% 0.05 46.4)
#613018 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) | #3E3715 | 0.071 |
| Deuteranopia (no green cones) | #494217 | 0.067 |
| Tritanopia (no blue cones) | #6B262B | 0.045 |
| Achromatopsia (no color) | #3D3D3D | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613018
#613018
oklch(36.9% 0.08 45.3)
- #00475B
#00475B
oklch(37% 0.07 224.4)
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 #613018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.040
- Purple Brown #673A3F ΔE 0.056
- Reddy Brown #6E1005 ΔE 0.059
- Mud Brown #60460F ΔE 0.065
- Blood #770001 ΔE 0.075
- Claret #680018 ΔE 0.081
- Maroon #800000 ΔE 0.082
- Wine Red #7B0323 ΔE 0.086
Use #613018 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.