#642913
Closest named color: Chestnut (#742802). oklch(36.1% 0.092 40), rgb(100, 41, 19).
Aa
White text reads best on this color (11.23:1).
About this color
#642913 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.092 and its hue 40°. 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 11.23:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.86:1 |
| White text | 11.23:1 |
Values
| HEX | #642913 |
| RGB | rgb(100, 41, 19) |
| HSL | hsl(16, 68%, 23%) |
| OKLCH | oklch(36.1% 0.092 40) |
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 #642913 | 11.23:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #642913 | 1.86:1 | Fails | Lc 8.5 | Not readable |
| #642913 text on white | 11.23:1 | AAA | Lc 95.4 | Preferred for body text |
| #642913 text on black | 1.86:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#E8B29F
oklch(80.8% 0.069 40.2)
-
Step 400
400
#DB886B
oklch(70.7% 0.11 40)
-
Step 500
500
#CF6842
oklch(63.2% 0.141 40.4)
-
Step 600
600
#BA4C21
oklch(55.6% 0.153 40)
-
Step 700
700
#A03C13
oklch(49.1% 0.142 39.9)
-
Step 800
800
#823313
oklch(42.7% 0.117 40.4)
-
Step 900
900 (this color)
#642913
oklch(36.1% 0.092 40)
-
Step 950
950
#3E1B0F
oklch(27% 0.059 39.4)
#642913 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) | #393310 | 0.090 |
| Deuteranopia (no green cones) | #484011 | 0.082 |
| Tritanopia (no blue cones) | #6E1C24 | 0.043 |
| Achromatopsia (no color) | #3B3B3B | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642913
#642913
oklch(36.1% 0.092 40)
- #004555
#004555
oklch(36.1% 0.066 219.8)
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 #642913, 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 0.043
- Blood #770001 ΔE 0.059
- Purple Brown #673A3F ΔE 0.063
- Claret #680018 ΔE 0.066
- Maroon #800000 ΔE 0.068
- Wine Red #7B0323 ΔE 0.073
- Mud Brown #60460F ΔE 0.080
Use #642913 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.