#783539
Closest named color: Purple Brown (#673A3F). oklch(42% 0.094 18.3), rgb(120, 53, 57).
Aa
White text reads best on this color (8.87:1).
About this color
#783539 is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.094 and its hue 18°. 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 8.87:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.36:1 |
| White text | 8.87:1 |
Values
| HEX | #783539 |
| RGB | rgb(120, 53, 57) |
| HSL | hsl(356, 39%, 34%) |
| OKLCH | oklch(42% 0.094 18.3) |
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 #783539 | 8.87:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #783539 | 2.36:1 | Fails | Lc 14.1 | Not readable |
| #783539 text on white | 8.87:1 | AAA | Lc 89.9 | Fine for body text |
| #783539 text on black | 2.36:1 | Fails | Lc -12.4 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#EDD2D1
oklch(88.6% 0.03 20.3)
-
Step 300
300
#E2B3B3
oklch(80.9% 0.055 18.3)
-
Step 400
400
#D28A8C
oklch(70.7% 0.088 17.7)
-
Step 500
500
#C46C6F
oklch(63.2% 0.112 18.6)
-
Step 600
600
#AF5257
oklch(55.6% 0.122 18.6)
-
Step 700
700
#964247
oklch(49.1% 0.113 18.6)
-
Step 800
800 (this color)
#783539
oklch(42% 0.094 18.3)
-
Step 900
900
#633032
oklch(37.7% 0.074 18.8)
-
Step 950
950
#3A1D1E
oklch(27.1% 0.046 18.3)
#783539 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) | #444139 | 0.101 |
| Deuteranopia (no green cones) | #554F38 | 0.093 |
| Tritanopia (no blue cones) | #832B37 | 0.027 |
| Achromatopsia (no color) | #4A4A4A | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783539
#783539
oklch(42% 0.094 18.3)
- #00595B
#00595B
oklch(42.1% 0.072 197.4)
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 #783539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Brownish Purple #76424E ΔE 0.037
- Red Brown #8B2E16 ΔE 0.052
- Chestnut #742802 ΔE 0.058
- Rust Brown #8B3103 ΔE 0.061
- Brown Red #922B05 ΔE 0.068
- Brick Red #8F1402 ΔE 0.071
- Wine Red #7B0323 ΔE 0.072
Use #783539 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.