#613103
Closest named color: Chestnut (#742802). oklch(36.9% 0.087 56.6), rgb(97, 49, 3).
Aa
White text reads best on this color (10.77:1).
About this color
#613103 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.087 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.042 away. White text reads best on it, at 10.77:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.94:1 |
| White text | 10.77:1 |
Values
| HEX | #613103 |
| RGB | rgb(97, 49, 3) |
| HSL | hsl(29, 94%, 20%) |
| OKLCH | oklch(36.9% 0.087 56.6) |
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 #613103 | 10.77:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #613103 | 1.94:1 | Fails | Lc 9.4 | Not readable |
| #613103 text on white | 10.77:1 | AAA | Lc 94.6 | Preferred for body text |
| #613103 text on black | 1.94:1 | Fails | Lc -8.0 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F4E7DE
oklch(93.6% 0.019 57.2)
-
Step 200
200
#EDD4C2
oklch(88.6% 0.037 58)
-
Step 300
300
#E2B698
oklch(80.8% 0.065 55.9)
-
Step 400
400
#D28F5D
oklch(70.6% 0.105 56.8)
-
Step 500
500
#C5712A
oklch(63% 0.134 56.4)
-
Step 600
600
#AD5A00
oklch(55.6% 0.136 56.3)
-
Step 700
700
#924B00
oklch(49.1% 0.12 56.3)
-
Step 800
800
#783D00
oklch(42.7% 0.104 56.7)
-
Step 900
900 (this color)
#613103
oklch(36.9% 0.087 56.6)
-
Step 950
950
#3A1E07
oklch(26.8% 0.055 56.6)
#613103 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) | #3F3700 | 0.070 |
| Deuteranopia (no green cones) | #4B4203 | 0.062 |
| Tritanopia (no blue cones) | #6B2629 | 0.058 |
| Achromatopsia (no color) | #3E3E3E | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613103
#613103
oklch(36.9% 0.087 56.6)
- #004564
#004564
oklch(37% 0.08 236.4)
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 #613103, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.042
- Mud Brown #60460F ΔE 0.057
- Reddy Brown #6E1005 ΔE 0.066
- Purple Brown #673A3F ΔE 0.070
- Blood #770001 ΔE 0.081
- Green Brown #544E03 ΔE 0.085
- Dark Olive #373E02 ΔE 0.086
- Maroon #800000 ΔE 0.087
Use #613103 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.