#6A403F
Closest named color: Purple Brown (#673A3F). oklch(42.1% 0.059 21.3), rgb(106, 64, 63).
Aa
White text reads best on this color (8.68:1).
About this color
#6A403F is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.059 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.019 away. White text reads best on it, at 8.68:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #6A403F |
| RGB | rgb(106, 64, 63) |
| HSL | hsl(1, 25%, 33%) |
| OKLCH | oklch(42.1% 0.059 21.3) |
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 #6A403F | 8.68:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #6A403F | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #6A403F text on white | 8.68:1 | AAA | Lc 89.6 | Fine for body text |
| #6A403F text on black | 2.41:1 | Fails | Lc -12.6 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E7E7
oklch(93.5% 0.01 17.3)
-
Step 200
200
#E6D4D3
oklch(88.4% 0.02 21.4)
-
Step 300
300
#D6B8B7
oklch(80.8% 0.035 20.2)
-
Step 400
400
#C19392
oklch(70.6% 0.056 20)
-
Step 500
500
#B07977
oklch(63.2% 0.069 21.5)
-
Step 600
600
#9B615F
oklch(55.6% 0.076 21.9)
-
Step 700
700
#85504F
oklch(49.2% 0.072 21.1)
-
Step 800
800 (this color)
#6A403F
oklch(42.1% 0.059 21.3)
-
Step 900
900
#583837
oklch(37.8% 0.046 21.4)
-
Step 950
950
#332120
oklch(27% 0.028 22.7)
#6A403F 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) | #49463F | 0.061 |
| Deuteranopia (no green cones) | #534F3E | 0.059 |
| Tritanopia (no blue cones) | #723B40 | 0.020 |
| Achromatopsia (no color) | #4B4B4B | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A403F
#6A403F
oklch(42.1% 0.059 21.3)
- #1D575B
#1D575B
oklch(42.1% 0.059 201.6)
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 #6A403F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.019
- Brownish Purple #76424E ΔE 0.034
- Mud Brown #60460F ΔE 0.070
- Chestnut #742802 ΔE 0.072
- Red Brown #8B2E16 ΔE 0.077
- Milk Chocolate #7F4E1E ΔE 0.078
- Rust Brown #8B3103 ΔE 0.081
- Dark Mauve #874C62 ΔE 0.082
Use #6A403F 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.