#6B3545
Closest named color: Purple Brown (#673A3F). oklch(40.4% 0.079 2.4), rgb(107, 53, 69).
Aa
White text reads best on this color (9.45:1).
About this color
#6B3545 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.079 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.020 away. White text reads best on it, at 9.45:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.45:1 |
Values
| HEX | #6B3545 |
| RGB | rgb(107, 53, 69) |
| HSL | hsl(342, 34%, 31%) |
| OKLCH | oklch(40.4% 0.079 2.4) |
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 #6B3545 | 9.45:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #6B3545 | 2.22:1 | Fails | Lc 12.4 | Not readable |
| #6B3545 text on white | 9.45:1 | AAA | Lc 91.6 | Preferred for body text |
| #6B3545 text on black | 2.22:1 | Fails | Lc -10.8 | 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 800.
-
Step 50
50
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E6E9
oklch(93.5% 0.014 0.3)
-
Step 200
200
#E9D2D7
oklch(88.4% 0.026 2.8)
-
Step 300
300
#DBB5BE
oklch(80.9% 0.045 2.3)
-
Step 400
400
#C88E9D
oklch(70.8% 0.073 2.1)
-
Step 500
500
#B97184
oklch(63.2% 0.094 3)
-
Step 600
600
#A4586E
oklch(55.6% 0.102 2.5)
-
Step 700
700
#8C485C
oklch(49.1% 0.095 2.4)
-
Step 800
800 (this color)
#6B3545
oklch(40.4% 0.079 2.4)
-
Step 900
900
#5C333F
oklch(37.6% 0.061 1.6)
-
Step 950
950
#361E25
oklch(26.9% 0.039 1.2)
#6B3545 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) | #3E4045 | 0.086 |
| Deuteranopia (no green cones) | #4B4A44 | 0.081 |
| Tritanopia (no blue cones) | #73313B | 0.021 |
| Achromatopsia (no color) | #464646 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3545
#6B3545
oklch(40.4% 0.079 2.4)
- #00554C
#00554C
oklch(40.4% 0.072 182.7)
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 #6B3545, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.020
- Brownish Purple #76424E ΔE 0.042
- Chestnut #742802 ΔE 0.076
- Bordeaux #7B002C ΔE 0.078
- Red Purple #820747 ΔE 0.079
- Wine #80013F ΔE 0.079
- Wine Red #7B0323 ΔE 0.079
- Merlot #730039 ΔE 0.080
Use #6B3545 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.