#603839
Closest named color: Purple Brown (#673A3F). oklch(39% 0.057 18.4), rgb(96, 56, 57).
Aa
White text reads best on this color (9.89:1).
About this color
#603839 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.057 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.018 away. White text reads best on it, at 9.89:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #603839 |
| RGB | rgb(96, 56, 57) |
| HSL | hsl(358, 26%, 30%) |
| OKLCH | oklch(39% 0.057 18.4) |
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 #603839 | 9.89:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #603839 | 2.12:1 | Fails | Lc 11.1 | Not readable |
| #603839 text on white | 9.89:1 | AAA | Lc 92.8 | Preferred for body text |
| #603839 text on black | 2.12:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E9D3D3
oklch(88.5% 0.025 17.6)
-
Step 300
300
#DBB6B6
oklch(80.9% 0.043 18.1)
-
Step 400
400
#C89090
oklch(70.8% 0.068 18.9)
-
Step 500
500
#B97375
oklch(63.1% 0.089 18)
-
Step 600
600
#A45B5E
oklch(55.7% 0.096 18)
-
Step 700
700
#8C4A4D
oklch(49% 0.089 18)
-
Step 800
800
#723D3F
oklch(42.6% 0.074 18.3)
-
Step 900
900 (this color)
#603839
oklch(39% 0.057 18.4)
-
Step 950
950
#361F20
oklch(27% 0.036 16.9)
#603839 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) | #403E39 | 0.061 |
| Deuteranopia (no green cones) | #4A4638 | 0.056 |
| Tritanopia (no blue cones) | #673339 | 0.018 |
| Achromatopsia (no color) | #434343 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603839
#603839
oklch(39% 0.057 18.4)
- #154E50
#154E50
oklch(38.9% 0.057 198.5)
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 #603839, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.018
- Brownish Purple #76424E ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.067
- Chestnut #742802 ΔE 0.067
- Mud Brown #60460F ΔE 0.076
- Onyx #343A40 ΔE 0.080
- Reddy Brown #6E1005 ΔE 0.085
- Wine Red #7B0323 ΔE 0.091
Use #603839 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.