#662728
Closest named color: Reddy Brown (#6E1005). oklch(36.5% 0.091 21.8), rgb(102, 39, 40).
Aa
White text reads best on this color (11.13:1).
About this color
#662728 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.091 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.045 away. White text reads best on it, at 11.13:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.88:1 |
| White text | 11.13:1 |
Values
| HEX | #662728 |
| RGB | rgb(102, 39, 40) |
| HSL | hsl(359, 45%, 28%) |
| OKLCH | oklch(36.5% 0.091 21.8) |
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 #662728 | 11.13:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #662728 | 1.88:1 | Fails | Lc 8.7 | Not readable |
| #662728 text on white | 11.13:1 | AAA | Lc 95.2 | Preferred for body text |
| #662728 text on black | 1.88:1 | 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
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F2D0CE
oklch(88.6% 0.038 21.9)
-
Step 300
300
#EAB0AD
oklch(81% 0.068 22.1)
-
Step 400
400
#DD8482
oklch(70.7% 0.11 21.6)
-
Step 500
500
#D06263
oklch(63% 0.14 21.3)
-
Step 600
600
#BC464A
oklch(55.6% 0.152 21.6)
-
Step 700
700
#A1373B
oklch(49.1% 0.14 21.8)
-
Step 800
800
#832E31
oklch(42.6% 0.117 21.5)
-
Step 900
900 (this color)
#662728
oklch(36.5% 0.091 21.8)
-
Step 950
950
#3E1A19
oklch(27% 0.057 23.2)
#662728 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) | #363328 | 0.098 |
| Deuteranopia (no green cones) | #464027 | 0.089 |
| Tritanopia (no blue cones) | #701C28 | 0.027 |
| Achromatopsia (no color) | #3B3B3B | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662728
#662728
oklch(36.5% 0.091 21.8)
- #00484C
#00484C
oklch(36.5% 0.062 201.2)
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 #662728, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.045
- Chestnut #742802 ΔE 0.048
- Purple Brown #673A3F ΔE 0.050
- Claret #680018 ΔE 0.055
- Wine Red #7B0323 ΔE 0.057
- Blood #770001 ΔE 0.058
- Bordeaux #7B002C ΔE 0.062
- Burgundy #610023 ΔE 0.065
Use #662728 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.