#64270F
Closest named color: Chestnut (#742802). oklch(35.7% 0.095 40.4), rgb(100, 39, 15).
Aa
White text reads best on this color (11.41:1).
About this color
#64270F is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.095 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 11.41:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.83:1 |
| White text | 11.41:1 |
Values
| HEX | #64270F |
| RGB | rgb(100, 39, 15) |
| HSL | hsl(17, 74%, 23%) |
| OKLCH | oklch(35.7% 0.095 40.4) |
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 #64270F | 11.41:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #64270F | 1.83:1 | Fails | Lc 8.2 | Not readable |
| #64270F text on white | 11.41:1 | AAA | Lc 95.7 | Preferred for body text |
| #64270F 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E6E0
oklch(93.7% 0.02 40.5)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#EAB29E
oklch(81% 0.071 40.5)
-
Step 400
400
#DD8769
oklch(70.7% 0.114 39.9)
-
Step 500
500
#D1663E
oklch(63.1% 0.146 40.5)
-
Step 600
600
#BC4A1A
oklch(55.6% 0.158 40.4)
-
Step 700
700
#A23A0A
oklch(49.1% 0.147 40.3)
-
Step 800
800
#84310E
oklch(42.8% 0.123 40.3)
-
Step 900
900 (this color)
#64270F
oklch(35.7% 0.095 40.4)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#64270F 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) | #38310C | 0.092 |
| Deuteranopia (no green cones) | #473F0D | 0.085 |
| Tritanopia (no blue cones) | #6F1922 | 0.045 |
| Achromatopsia (no color) | #3A3A3A | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64270F
#64270F
oklch(35.7% 0.095 40.4)
- #004454
#004454
oklch(35.8% 0.065 220.1)
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 #64270F, 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 0.040
- Blood #770001 ΔE 0.057
- Claret #680018 ΔE 0.063
- Maroon #800000 ΔE 0.067
- Purple Brown #673A3F ΔE 0.068
- Wine Red #7B0323 ΔE 0.072
- Burgundy #610023 ΔE 0.078
Use #64270F 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.