#662C39
Closest named color: Purple Brown (#673A3F). oklch(37.7% 0.084 8), rgb(102, 44, 57).
Aa
White text reads best on this color (10.58:1).
About this color
#662C39 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.084 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 10.58:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.98:1 |
| White text | 10.58:1 |
Values
| HEX | #662C39 |
| RGB | rgb(102, 44, 57) |
| HSL | hsl(347, 40%, 29%) |
| OKLCH | oklch(37.7% 0.084 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 #662C39 | 10.58:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #662C39 | 1.98:1 | Fails | Lc 9.8 | Not readable |
| #662C39 text on white | 10.58:1 | AAA | Lc 94.1 | Preferred for body text |
| #662C39 text on black | 1.98:1 | Fails | Lc -8.4 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E7
oklch(93.6% 0.019 9.3)
-
Step 200
200
#EFD0D5
oklch(88.5% 0.035 6.8)
-
Step 300
300
#E6B0B9
oklch(80.9% 0.064 7.5)
-
Step 400
400
#D78594
oklch(70.6% 0.102 8.1)
-
Step 500
500
#CA657A
oklch(63.2% 0.129 8.4)
-
Step 600
600
#B54A63
oklch(55.6% 0.14 8.4)
-
Step 700
700
#9B3A52
oklch(49% 0.131 8.1)
-
Step 800
800
#7E3144
oklch(42.7% 0.108 7.6)
-
Step 900
900 (this color)
#662C39
oklch(37.7% 0.084 8)
-
Step 950
950
#3C1A21
oklch(26.9% 0.054 8.3)
#662C39 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) | #373839 | 0.093 |
| Deuteranopia (no green cones) | #464338 | 0.085 |
| Tritanopia (no blue cones) | #6F2631 | 0.022 |
| Achromatopsia (no color) | #3F3F3F | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #662C39
#662C39
oklch(37.7% 0.084 8)
- #004D48
#004D48
oklch(37.8% 0.066 187.3)
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 #662C39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Wine Red #7B0323 ΔE 0.064
- Bordeaux #7B002C ΔE 0.065
- Merlot #730039 ΔE 0.065
- Chestnut #742802 ΔE 0.066
- Reddy Brown #6E1005 ΔE 0.067
- Brownish Purple #76424E ΔE 0.069
- Claret #680018 ΔE 0.071
Use #662C39 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.