#6D243B
Closest named color: Merlot (#730039). oklch(37.8% 0.106 4.2), rgb(109, 36, 59).
Aa
White text reads best on this color (10.68:1).
About this color
#6D243B is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.106 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.045 away. White text reads best on it, at 10.68:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.96:1 |
| White text | 10.68:1 |
Values
| HEX | #6D243B |
| RGB | rgb(109, 36, 59) |
| HSL | hsl(341, 50%, 28%) |
| OKLCH | oklch(37.8% 0.106 4.2) |
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 #6D243B | 10.68:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #6D243B | 1.96:1 | Fails | Lc 9.8 | Not readable |
| #6D243B text on white | 10.68:1 | AAA | Lc 94.1 | Preferred for body text |
| #6D243B text on black | 1.96:1 | Fails | Lc -8.5 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F8E4E8
oklch(93.6% 0.022 3.8)
-
Step 200
200
#F4CED5
oklch(88.6% 0.044 5.5)
-
Step 300
300
#EDACBA
oklch(80.9% 0.078 4.7)
-
Step 400
400
#E17D97
oklch(70.7% 0.126 4.2)
-
Step 500
500
#D6587E
oklch(63.2% 0.162 4.1)
-
Step 600
600
#C13867
oklch(55.6% 0.176 4.2)
-
Step 700
700
#A62956
oklch(49.1% 0.164 3.9)
-
Step 800
800
#872446
oklch(42.7% 0.136 4.2)
-
Step 900
900 (this color)
#6D243B
oklch(37.8% 0.106 4.2)
-
Step 950
950
#401622
oklch(27% 0.067 4.8)
#6D243B 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) | #33353C | 0.117 |
| Deuteranopia (no green cones) | #464339 | 0.107 |
| Tritanopia (no blue cones) | #771B2D | 0.029 |
| Achromatopsia (no color) | #3E3E3E | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D243B
#6D243B
oklch(37.8% 0.106 4.2)
- #004D46
#004D46
oklch(37.8% 0.067 184.5)
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 #6D243B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.045
- Bordeaux #7B002C ΔE 0.046
- Wine Red #7B0323 ΔE 0.049
- Purple Brown #673A3F ΔE 0.051
- Wine #80013F ΔE 0.052
- Red Purple #820747 ΔE 0.057
- Velvet #750851 ΔE 0.060
- Claret #680018 ΔE 0.064
Use #6D243B 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.