#57434C
Closest named color: Purple Brown (#673A3F). oklch(40.7% 0.031 349.8), rgb(87, 67, 76).
Aa
White text reads best on this color (9.08:1).
About this color
#57434C is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.031 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.038 away. White text reads best on it, at 9.08:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.31:1 |
| White text | 9.08:1 |
Values
| HEX | #57434C |
| RGB | rgb(87, 67, 76) |
| HSL | hsl(333, 13%, 30%) |
| OKLCH | oklch(40.7% 0.031 349.8) |
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 #57434C | 9.08:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #57434C | 2.31:1 | Fails | Lc 13.1 | Not readable |
| #57434C text on white | 9.08:1 | AAA | Lc 90.9 | Preferred for body text |
| #57434C text on black | 2.31:1 | Fails | Lc -11.5 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EA
oklch(93.5% 0.006 350.8)
-
Step 200
200
#DFD6DA
oklch(88.4% 0.011 348.5)
-
Step 300
300
#CABCC2
oklch(80.9% 0.018 349.6)
-
Step 400
400
#AF9AA3
oklch(70.7% 0.028 350.1)
-
Step 500
500
#9C818D
oklch(63.2% 0.037 349.7)
-
Step 600
600
#866A77
oklch(55.6% 0.04 348.9)
-
Step 700
700
#725864
oklch(49.1% 0.038 349.2)
-
Step 800
800 (this color)
#57434C
oklch(40.7% 0.031 349.8)
-
Step 900
900
#4C3D43
oklch(37.8% 0.023 352.3)
-
Step 950
950
#2C2327
oklch(26.8% 0.015 349.6)
#57434C 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) | #45474C | 0.032 |
| Deuteranopia (no green cones) | #494A4B | 0.031 |
| Tritanopia (no blue cones) | #5A4346 | 0.011 |
| Achromatopsia (no color) | #484848 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57434C
#57434C
oklch(40.7% 0.031 349.8)
- #394F47
#394F47
oklch(40.7% 0.03 170.4)
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 #57434C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.051
- Brownish Purple #76424E ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.072
- Onyx #343A40 ΔE 0.072
- Charcoal #264653 ΔE 0.073
- Dusty Grape #545775 ΔE 0.076
Use #57434C 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.