#642F13
Closest named color: Chestnut (#742802). oklch(37.1% 0.086 46), rgb(100, 47, 19).
Aa
White text reads best on this color (10.72:1).
About this color
#642F13 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.086 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.034 away. White text reads best on it, at 10.72:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #642F13 |
| RGB | rgb(100, 47, 19) |
| HSL | hsl(21, 68%, 23%) |
| OKLCH | oklch(37.1% 0.086 46) |
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 #642F13 | 10.72:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #642F13 | 1.95:1 | Fails | Lc 9.5 | Not readable |
| #642F13 text on white | 10.72:1 | AAA | Lc 94.4 | Preferred for body text |
| #642F13 text on black | 1.95:1 | Fails | Lc -8.1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED2C6
oklch(88.4% 0.035 44.6)
-
Step 300
300
#E5B49E
oklch(80.9% 0.065 45.4)
-
Step 400
400
#D68C68
oklch(70.7% 0.103 46.5)
-
Step 500
500
#C96D3E
oklch(63.1% 0.132 46.2)
-
Step 600
600
#B55219
oklch(55.6% 0.144 45.8)
-
Step 700
700
#9B4209
oklch(49% 0.133 45.9)
-
Step 800
800
#7E370E
oklch(42.7% 0.111 45.8)
-
Step 900
900 (this color)
#642F13
oklch(37.1% 0.086 46)
-
Step 950
950
#3C1D0E
oklch(27.1% 0.055 45.4)
#642F13 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) | #3E3710 | 0.078 |
| Deuteranopia (no green cones) | #4B4212 | 0.070 |
| Tritanopia (no blue cones) | #6E2429 | 0.047 |
| Achromatopsia (no color) | #3E3E3E | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642F13
#642F13
oklch(37.1% 0.086 46)
- #00475D
#00475D
oklch(37.1% 0.071 226.8)
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 #642F13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.034
- Reddy Brown #6E1005 ΔE 0.056
- Purple Brown #673A3F ΔE 0.058
- Mud Brown #60460F ΔE 0.065
- Blood #770001 ΔE 0.070
- Maroon #800000 ΔE 0.076
- Claret #680018 ΔE 0.080
- Red Brown #8B2E16 ΔE 0.082
Use #642F13 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.