#671737
Closest named color: Merlot (#730039). oklch(35.1% 0.116 1), rgb(103, 23, 55).
Aa
White text reads best on this color (11.96:1).
About this color
#671737 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.116 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.031 away. White text reads best on it, at 11.96:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.75:1 |
| White text | 11.96:1 |
Values
| HEX | #671737 |
| RGB | rgb(103, 23, 55) |
| HSL | hsl(336, 63%, 25%) |
| OKLCH | oklch(35.1% 0.116 1) |
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 #671737 | 11.96:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #671737 | 1.75:1 | Fails | Lc 7.5 | Not readable |
| #671737 text on white | 11.96:1 | AAA | Lc 96.4 | Preferred for body text |
| #671737 text on black | 1.75:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F6CDD7
oklch(88.6% 0.048 1.7)
-
Step 300
300
#F0A9BD
oklch(80.8% 0.087 0.8)
-
Step 400
400
#E5799B
oklch(70.7% 0.138 1.2)
-
Step 500
500
#DA5183
oklch(63.1% 0.177 1)
-
Step 600
600
#C62D6D
oklch(55.7% 0.194 0.8)
-
Step 700
700
#AA1D5B
oklch(49.1% 0.18 0.7)
-
Step 800
800
#8A1C4A
oklch(42.6% 0.149 0.9)
-
Step 900
900 (this color)
#671737
oklch(35.1% 0.116 1)
-
Step 950
950
#421424
oklch(27.1% 0.073 1.7)
#671737 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) | #292D38 | 0.129 |
| Deuteranopia (no green cones) | #3E3C35 | 0.117 |
| Tritanopia (no blue cones) | #700A25 | 0.033 |
| Achromatopsia (no color) | #373737 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #671737
#671737
oklch(35.1% 0.116 1)
- #00453C
#00453C
oklch(35% 0.063 180.5)
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 #671737, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.031
- Burgundy #610023 ΔE 0.041
- Bordeaux #7B002C ΔE 0.046
- Claret #680018 ΔE 0.047
- Wine Red #7B0323 ΔE 0.051
- Grape Purple #5D1451 ΔE 0.055
- Wine #80013F ΔE 0.055
- Velvet #750851 ΔE 0.056
Use #671737 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.