#642707
Closest named color: Chestnut (#742802). oklch(35.7% 0.097 43.7), rgb(100, 39, 7).
Aa
White text reads best on this color (11.44:1).
About this color
#642707 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.097 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.035 away. White text reads best on it, at 11.44:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.83:1 |
| White text | 11.44:1 |
Values
| HEX | #642707 |
| RGB | rgb(100, 39, 7) |
| HSL | hsl(21, 87%, 21%) |
| OKLCH | oklch(35.7% 0.097 43.7) |
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 #642707 | 11.44:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #642707 | 1.83:1 | Fails | Lc 8.2 | Not readable |
| #642707 text on white | 11.44:1 | AAA | Lc 95.7 | Preferred for body text |
| #642707 text on black | 1.83:1 | Fails | Lc 0.0 | 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
#FCF4F0
oklch(97.2% 0.01 48.6)
-
Step 100
100
#F7E6DF
oklch(93.7% 0.021 43.9)
-
Step 200
200
#F1D1C4
oklch(88.4% 0.04 43.4)
-
Step 300
300
#EAB29B
oklch(80.9% 0.073 43.4)
-
Step 400
400
#DD8863
oklch(70.8% 0.116 44)
-
Step 500
500
#D16635
oklch(63% 0.149 43.5)
-
Step 600
600
#BD4A01
oklch(55.6% 0.163 43.6)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900 (this color)
#642707
oklch(35.7% 0.097 43.7)
-
Step 950
950
#3E1B0B
oklch(27% 0.061 43.8)
#642707 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) | #393103 | 0.091 |
| Deuteranopia (no green cones) | #473F05 | 0.084 |
| Tritanopia (no blue cones) | #6F1821 | 0.050 |
| Achromatopsia (no color) | #3A3A3A | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642707
#642707
oklch(35.7% 0.097 43.7)
- #004356
#004356
oklch(35.6% 0.067 224.3)
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 #642707, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.035
- Reddy Brown #6E1005 ΔE 0.041
- Blood #770001 ΔE 0.058
- Claret #680018 ΔE 0.066
- Maroon #800000 ΔE 0.068
- Purple Brown #673A3F ΔE 0.072
- Wine Red #7B0323 ΔE 0.076
- Mud Brown #60460F ΔE 0.081
Use #642707 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.