#660A2E
Closest named color: Burgundy (#610023). oklch(33.5% 0.125 5), rgb(102, 10, 46).
Aa
White text reads best on this color (12.74:1).
About this color
#660A2E is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.125 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.023 away. White text reads best on it, at 12.74:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.64:1 |
| White text | 12.74:1 |
Values
| HEX | #660A2E |
| RGB | rgb(102, 10, 46) |
| HSL | hsl(337, 82%, 22%) |
| OKLCH | oklch(33.5% 0.125 5) |
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 #660A2E | 12.74:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #660A2E | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #660A2E text on white | 12.74:1 | AAA | Lc 97.4 | Preferred for body text |
| #660A2E text on black | 1.64:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F8CCD4
oklch(88.5% 0.051 5.9)
-
Step 300
300
#F5A7B8
oklch(80.8% 0.094 5.1)
-
Step 400
400
#EC7594
oklch(70.8% 0.149 5.2)
-
Step 500
500
#E2497A
oklch(63.2% 0.192 5)
-
Step 600
600
#CD1E63
oklch(55.6% 0.208 5)
-
Step 700
700
#B10952
oklch(49.2% 0.194 5)
-
Step 800
800
#8F1143
oklch(42.6% 0.16 4.9)
-
Step 900
900 (this color)
#660A2E
oklch(33.5% 0.125 5)
-
Step 950
950
#441121
oklch(26.9% 0.079 5)
#660A2E 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) | #24272F | 0.142 |
| Deuteranopia (no green cones) | #3C392C | 0.128 |
| Tritanopia (no blue cones) | #70001B | 0.035 |
| Achromatopsia (no color) | #323232 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #660A2E
#660A2E
oklch(33.5% 0.125 5)
- #00403B
#00403B
oklch(33.4% 0.059 186.1)
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 #660A2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.023
- Claret #680018 ΔE 0.032
- Merlot #730039 ΔE 0.034
- Bordeaux #7B002C ΔE 0.046
- Wine Red #7B0323 ΔE 0.051
- Reddy Brown #6E1005 ΔE 0.059
- Wine #80013F ΔE 0.062
- Grape Purple #5D1451 ΔE 0.064
Use #660A2E 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.