#673527
Closest named color: Purple Brown (#673A3F). oklch(39% 0.076 36.5), rgb(103, 53, 39).
Aa
White text reads best on this color (9.92:1).
About this color
#673527 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.076 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.92:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.11:1 |
| White text | 9.92:1 |
Values
| HEX | #673527 |
| RGB | rgb(103, 53, 39) |
| HSL | hsl(13, 45%, 28%) |
| OKLCH | oklch(39% 0.076 36.5) |
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 #673527 | 9.92:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #673527 | 2.11:1 | Fails | Lc 11.2 | Not readable |
| #673527 text on white | 9.92:1 | AAA | Lc 92.7 | Preferred for body text |
| #673527 text on black | 2.11:1 | Fails | Lc -9.7 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#EDD2CB
oklch(88.4% 0.032 34.9)
-
Step 300
300
#E2B4A7
oklch(80.8% 0.057 36.3)
-
Step 400
400
#D28C79
oklch(70.6% 0.091 35.9)
-
Step 500
500
#C56E56
oklch(63.1% 0.116 36.3)
-
Step 600
600
#B0553B
oklch(55.7% 0.125 36.8)
-
Step 700
700
#97442D
oklch(49% 0.117 36.4)
-
Step 800
800
#7B3926
oklch(42.8% 0.097 36.9)
-
Step 900
900 (this color)
#673527
oklch(39% 0.076 36.5)
-
Step 950
950
#3A1D15
oklch(26.9% 0.048 36.3)
#673527 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) | #423C26 | 0.073 |
| Deuteranopia (no green cones) | #4E4726 | 0.068 |
| Tritanopia (no blue cones) | #712C32 | 0.036 |
| Achromatopsia (no color) | #434343 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673527
#673527
oklch(39% 0.076 36.5)
- #004E5D
#004E5D
oklch(39.1% 0.07 216.3)
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 #673527, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Chestnut #742802 ΔE 0.041
- Mud Brown #60460F ΔE 0.062
- Brownish Purple #76424E ΔE 0.068
- Reddy Brown #6E1005 ΔE 0.068
- Red Brown #8B2E16 ΔE 0.073
- Rust Brown #8B3103 ΔE 0.075
- Blood #770001 ΔE 0.079
Use #673527 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.