#6D183F
Closest named color: Merlot (#730039). oklch(36.6% 0.123 357.4), rgb(109, 24, 63).
Aa
White text reads best on this color (11.33:1).
About this color
#6D183F is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.123 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.024 away. White text reads best on it, at 11.33:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.85:1 |
| White text | 11.33:1 |
Values
| HEX | #6D183F |
| RGB | rgb(109, 24, 63) |
| HSL | hsl(332, 64%, 26%) |
| OKLCH | oklch(36.6% 0.123 357.4) |
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 #6D183F | 11.33:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #6D183F | 1.85:1 | Fails | Lc 8.8 | Not readable |
| #6D183F text on white | 11.33:1 | AAA | Lc 95.1 | Preferred for body text |
| #6D183F text on black | 1.85:1 | Fails | Lc -7.5 | 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
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F7CCD9
oklch(88.6% 0.051 358.1)
-
Step 300
300
#F2A8C1
oklch(80.9% 0.092 357.4)
-
Step 400
400
#E876A1
oklch(70.8% 0.148 357.7)
-
Step 500
500
#DD4B8A
oklch(63.1% 0.19 357.4)
-
Step 600
600
#C82474
oklch(55.6% 0.205 357.4)
-
Step 700
700
#AC1261
oklch(49% 0.191 357.5)
-
Step 800
800
#8C1650
oklch(42.8% 0.158 357.2)
-
Step 900
900 (this color)
#6D183F
oklch(36.6% 0.123 357.4)
-
Step 950
950
#421227
oklch(26.9% 0.078 356.6)
#6D183F 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) | #2A3040 | 0.138 |
| Deuteranopia (no green cones) | #41403D | 0.124 |
| Tritanopia (no blue cones) | #760C29 | 0.039 |
| Achromatopsia (no color) | #3A3A3A | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D183F
#6D183F
oklch(36.6% 0.123 357.4)
- #004A3E
#004A3E
oklch(36.6% 0.068 177.1)
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 #6D183F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.024
- Velvet #750851 ΔE 0.040
- Wine #80013F ΔE 0.041
- Bordeaux #7B002C ΔE 0.042
- Red Purple #820747 ΔE 0.047
- Wine Red #7B0323 ΔE 0.051
- Grape Purple #5D1451 ΔE 0.053
- Rich Purple #720058 ΔE 0.054
Use #6D183F 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.