#671B45
Closest named color: Merlot (#730039). oklch(36% 0.117 350.6), rgb(103, 27, 69).
Aa
White text reads best on this color (11.54:1).
About this color
#671B45 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.117 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.037 away. White text reads best on it, at 11.54:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.81:1 |
| White text | 11.54:1 |
Values
| HEX | #671B45 |
| RGB | rgb(103, 27, 69) |
| HSL | hsl(327, 58%, 25%) |
| OKLCH | oklch(36% 0.117 350.6) |
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 #671B45 | 11.54:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #671B45 | 1.81:1 | Fails | Lc 8.2 | Not readable |
| #671B45 text on white | 11.54:1 | AAA | Lc 95.7 | Preferred for body text |
| #671B45 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E3EC
oklch(93.5% 0.026 349.8)
-
Step 200
200
#F4CDDD
oklch(88.6% 0.048 351.5)
-
Step 300
300
#EDAAC8
oklch(81% 0.087 350.7)
-
Step 400
400
#E179AC
oklch(70.7% 0.141 350.6)
-
Step 500
500
#D55297
oklch(63.1% 0.179 350.8)
-
Step 600
600
#C03082
oklch(55.6% 0.194 350.5)
-
Step 700
700
#A5206E
oklch(49.1% 0.181 350.4)
-
Step 800
800
#861E59
oklch(42.6% 0.15 350.7)
-
Step 900
900 (this color)
#671B45
oklch(36% 0.117 350.6)
-
Step 950
950
#40142B
oklch(27% 0.075 350.8)
#671B45 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) | #273046 | 0.129 |
| Deuteranopia (no green cones) | #3C3E43 | 0.116 |
| Tritanopia (no blue cones) | #6F172D | 0.044 |
| Achromatopsia (no color) | #393939 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #671B45
#671B45
oklch(36% 0.117 350.6)
- #004938
#004938
oklch(36.1% 0.071 170.7)
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 #671B45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.037
- Grape Purple #5D1451 ΔE 0.038
- Velvet #750851 ΔE 0.040
- Rich Purple #720058 ΔE 0.050
- Wine #80013F ΔE 0.055
- Red Purple #820747 ΔE 0.057
- Bordeaux #7B002C ΔE 0.058
- Burgundy #610023 ΔE 0.061
Use #671B45 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.