#6B223A
Closest named color: Merlot (#730039). oklch(37.1% 0.106 3.6), rgb(107, 34, 58).
Aa
White text reads best on this color (10.96:1).
About this color
#6B223A is a dark, moderately saturated red. In OKLCH its lightness is 37%, 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 0.042 away. White text reads best on it, at 10.96:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #6B223A |
| RGB | rgb(107, 34, 58) |
| HSL | hsl(340, 52%, 28%) |
| OKLCH | oklch(37.1% 0.106 3.6) |
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 #6B223A | 10.96:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #6B223A | 1.91:1 | Fails | Lc 9.3 | Not readable |
| #6B223A text on white | 10.96:1 | AAA | Lc 94.7 | Preferred for body text |
| #6B223A text on black | 1.91:1 | Fails | Lc -7.9 | 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
#EDACBB
oklch(80.9% 0.078 3.7)
-
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
#C13868
oklch(55.6% 0.176 3.7)
-
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)
#6B223A
oklch(37.1% 0.106 3.6)
-
Step 950
950
#401623
oklch(27% 0.067 3.3)
#6B223A 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) | #31333B | 0.118 |
| Deuteranopia (no green cones) | #444238 | 0.109 |
| Tritanopia (no blue cones) | #74192B | 0.029 |
| Achromatopsia (no color) | #3C3C3C | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B223A
#6B223A
oklch(37.1% 0.106 3.6)
- #004B44
#004B44
oklch(37.1% 0.066 184.2)
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 #6B223A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.042
- Bordeaux #7B002C ΔE 0.046
- Wine Red #7B0323 ΔE 0.049
- Wine #80013F ΔE 0.053
- Purple Brown #673A3F ΔE 0.056
- Red Purple #820747 ΔE 0.059
- Claret #680018 ΔE 0.059
- Velvet #750851 ΔE 0.060
Use #6B223A 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.