#603C4E
Closest named color: Purple Brown (#673A3F). oklch(40.5% 0.057 348.6), rgb(96, 60, 78).
Aa
White text reads best on this color (9.31:1).
About this color
#603C4E is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.027 away. White text reads best on it, at 9.31:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #603C4E |
| RGB | rgb(96, 60, 78) |
| HSL | hsl(330, 23%, 31%) |
| OKLCH | oklch(40.5% 0.057 348.6) |
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 #603C4E | 9.31:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #603C4E | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #603C4E text on white | 9.31:1 | AAA | Lc 91.4 | Preferred for body text |
| #603C4E text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D4DB
oklch(88.4% 0.019 347.5)
-
Step 300
300
#D2B8C4
oklch(80.8% 0.034 348.3)
-
Step 400
400
#BB94A6
oklch(70.8% 0.053 349.1)
-
Step 500
500
#A97990
oklch(63.1% 0.067 348.9)
-
Step 600
600
#94617A
oklch(55.5% 0.074 348.9)
-
Step 700
700
#7E5067
oklch(49% 0.069 348.6)
-
Step 800
800 (this color)
#603C4E
oklch(40.5% 0.057 348.6)
-
Step 900
900
#543845
oklch(37.8% 0.044 350)
-
Step 950
950
#312129
oklch(27% 0.028 347.7)
#603C4E 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) | #3F434F | 0.060 |
| Deuteranopia (no green cones) | #48494D | 0.055 |
| Tritanopia (no blue cones) | #653B42 | 0.021 |
| Achromatopsia (no color) | #474747 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603C4E
#603C4E
oklch(40.5% 0.057 348.6)
- #265343
#265343
oklch(40.5% 0.057 167.9)
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 #603C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.027
- Brownish Purple #76424E ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.071
- Onyx #343A40 ΔE 0.085
- Dusty Grape #545775 ΔE 0.086
- Dark Grey Blue #29465B ΔE 0.090
- Dark Slate Gray #2F4F4F ΔE 0.092
- Dark Mauve #874C62 ΔE 0.093
Use #603C4E 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.