#66272C
Closest named color: Purple Brown (#673A3F). oklch(36.6% 0.091 18), rgb(102, 39, 44).
Aa
White text reads best on this color (11.10:1).
About this color
#66272C is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.091 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.048 away. White text reads best on it, at 11.10:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #66272C |
| RGB | rgb(102, 39, 44) |
| HSL | hsl(355, 45%, 28%) |
| OKLCH | oklch(36.6% 0.091 18) |
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 #66272C | 11.10:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #66272C | 1.89:1 | Fails | Lc 8.8 | Not readable |
| #66272C text on white | 11.10:1 | AAA | Lc 95.1 | Preferred for body text |
| #66272C text on black | 1.89:1 | Fails | Lc -7.5 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F1D0D0
oklch(88.5% 0.037 17.9)
-
Step 300
300
#EAAFB0
oklch(80.9% 0.069 17.6)
-
Step 400
400
#DC8487
oklch(70.7% 0.109 18)
-
Step 500
500
#D06269
oklch(63.1% 0.139 18)
-
Step 600
600
#BB4651
oklch(55.6% 0.151 17.9)
-
Step 700
700
#A13641
oklch(49.1% 0.141 18.1)
-
Step 800
800
#832E36
oklch(42.7% 0.117 18)
-
Step 900
900 (this color)
#66272C
oklch(36.6% 0.091 18)
-
Step 950
950
#3E191C
oklch(26.9% 0.058 16.8)
#66272C 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) | #36332C | 0.098 |
| Deuteranopia (no green cones) | #46402B | 0.089 |
| Tritanopia (no blue cones) | #701D29 | 0.025 |
| Achromatopsia (no color) | #3C3C3C | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66272C
#66272C
oklch(36.6% 0.091 18)
- #00484A
#00484A
oklch(36.5% 0.062 198)
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 #66272C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.048
- Chestnut #742802 ΔE 0.053
- Claret #680018 ΔE 0.056
- Wine Red #7B0323 ΔE 0.056
- Bordeaux #7B002C ΔE 0.060
- Blood #770001 ΔE 0.060
- Burgundy #610023 ΔE 0.064
Use #66272C 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.