#671E37
Closest named color: Merlot (#730039). oklch(35.8% 0.106 3.2), rgb(103, 30, 55).
Aa
White text reads best on this color (11.55:1).
About this color
#671E37 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.106 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.040 away. White text reads best on it, at 11.55:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.81:1 |
| White text | 11.55:1 |
Values
| HEX | #671E37 |
| RGB | rgb(103, 30, 55) |
| HSL | hsl(339, 55%, 26%) |
| OKLCH | oklch(35.8% 0.106 3.2) |
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 #671E37 | 11.55:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #671E37 | 1.81:1 | Fails | Lc 8.1 | Not readable |
| #671E37 text on white | 11.55:1 | AAA | Lc 95.8 | Preferred for body text |
| #671E37 text on black | 1.81:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E8
oklch(93.6% 0.022 3.8)
-
Step 200
200
#F4CED6
oklch(88.6% 0.044 3.8)
-
Step 300
300
#EDABBB
oklch(80.8% 0.08 3)
-
Step 400
400
#E17D98
oklch(70.7% 0.126 3.5)
-
Step 500
500
#D6577F
oklch(63.1% 0.163 3.4)
-
Step 600
600
#C13769
oklch(55.6% 0.178 3)
-
Step 700
700
#A62857
oklch(49% 0.165 3.2)
-
Step 800
800
#872447
oklch(42.7% 0.136 3.5)
-
Step 900
900 (this color)
#671E37
oklch(35.8% 0.106 3.2)
-
Step 950
950
#401623
oklch(27% 0.067 3.3)
#671E37 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) | #2D3038 | 0.119 |
| Deuteranopia (no green cones) | #413E35 | 0.107 |
| Tritanopia (no blue cones) | #701428 | 0.029 |
| Achromatopsia (no color) | #393939 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #671E37
#671E37
oklch(35.8% 0.106 3.2)
- #004740
#004740
oklch(35.7% 0.063 183.8)
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 #671E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.040
- Bordeaux #7B002C ΔE 0.048
- Burgundy #610023 ΔE 0.049
- Claret #680018 ΔE 0.051
- Wine Red #7B0323 ΔE 0.051
- Wine #80013F ΔE 0.058
- Reddy Brown #6E1005 ΔE 0.061
- Grape Purple #5D1451 ΔE 0.062
Use #671E37 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.