#673530
Closest named color: Purple Brown (#673A3F). oklch(39.2% 0.073 26.8), rgb(103, 53, 48).
Aa
White text reads best on this color (9.86:1).
About this color
#673530 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.073 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.023 away. White text reads best on it, at 9.86:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.12:1 |
| White text | 9.86:1 |
Values
| HEX | #673530 |
| RGB | rgb(103, 53, 48) |
| HSL | hsl(5, 36%, 30%) |
| OKLCH | oklch(39.2% 0.073 26.8) |
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 #673530 | 9.86:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #673530 | 2.12:1 | Fails | Lc 11.3 | Not readable |
| #673530 text on white | 9.86:1 | AAA | Lc 92.6 | Preferred for body text |
| #673530 text on black | 2.12:1 | Fails | Lc -9.8 | 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 900.
-
Step 50
50
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#EDD2CE
oklch(88.5% 0.031 27.8)
-
Step 300
300
#E2B4AE
oklch(80.9% 0.054 26.9)
-
Step 400
400
#D18C83
oklch(70.7% 0.086 27.6)
-
Step 500
500
#C46D64
oklch(63.1% 0.112 26.9)
-
Step 600
600
#AF544C
oklch(55.7% 0.121 26.8)
-
Step 700
700
#96443D
oklch(49.1% 0.112 26.9)
-
Step 800
800
#7A3832
oklch(42.7% 0.093 27)
-
Step 900
900 (this color)
#673530
oklch(39.2% 0.073 26.8)
-
Step 950
950
#3A1D1A
oklch(27% 0.046 26.8)
#673530 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) | #413D2F | 0.074 |
| Deuteranopia (no green cones) | #4D472F | 0.069 |
| Tritanopia (no blue cones) | #702E34 | 0.026 |
| Achromatopsia (no color) | #434343 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673530
#673530
oklch(39.2% 0.073 26.8)
- #004F58
#004F58
oklch(39.1% 0.067 207.9)
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 #673530, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.023
- Chestnut #742802 ΔE 0.049
- Brownish Purple #76424E ΔE 0.060
- Reddy Brown #6E1005 ΔE 0.072
- Mud Brown #60460F ΔE 0.072
- Red Brown #8B2E16 ΔE 0.075
- Wine Red #7B0323 ΔE 0.079
- Rust Brown #8B3103 ΔE 0.080
Use #673530 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.