#6D2138
Closest named color: Merlot (#730039). oklch(37.3% 0.109 5.6), rgb(109, 33, 56).
Aa
White text reads best on this color (10.90:1).
About this color
#6D2138 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.109 and its hue 6°. 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 10.90:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #6D2138 |
| RGB | rgb(109, 33, 56) |
| HSL | hsl(342, 54%, 28%) |
| OKLCH | oklch(37.3% 0.109 5.6) |
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 #6D2138 | 10.90:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #6D2138 | 1.92:1 | Fails | Lc 9.4 | Not readable |
| #6D2138 text on white | 10.90:1 | AAA | Lc 94.5 | Preferred for body text |
| #6D2138 text on black | 1.92:1 | Fails | Lc -8.1 | 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
#F9E4E7
oklch(93.7% 0.023 7.7)
-
Step 200
200
#F5CDD5
oklch(88.5% 0.046 4.6)
-
Step 300
300
#EFABB9
oklch(80.9% 0.082 5.5)
-
Step 400
400
#E47B95
oklch(70.7% 0.132 5.2)
-
Step 500
500
#D9557B
oklch(63.2% 0.168 5.4)
-
Step 600
600
#C43464
oklch(55.6% 0.182 5.5)
-
Step 700
700
#A92553
oklch(49.2% 0.17 5.5)
-
Step 800
800
#892144
oklch(42.7% 0.141 5.3)
-
Step 900
900 (this color)
#6D2138
oklch(37.3% 0.109 5.6)
-
Step 950
950
#411521
oklch(27% 0.069 6.1)
#6D2138 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) | #313339 | 0.122 |
| Deuteranopia (no green cones) | #454236 | 0.111 |
| Tritanopia (no blue cones) | #77162A | 0.029 |
| Achromatopsia (no color) | #3D3D3D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D2138
#6D2138
oklch(37.3% 0.109 5.6)
- #004C45
#004C45
oklch(37.4% 0.066 184.4)
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 #6D2138, 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 0.041
- Wine Red #7B0323 ΔE 0.045
- Wine #80013F ΔE 0.050
- Purple Brown #673A3F ΔE 0.057
- Red Purple #820747 ΔE 0.057
- Claret #680018 ΔE 0.058
- Velvet #750851 ΔE 0.061
Use #6D2138 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.