#604E57
Closest named color: Brownish Purple (#76424E). oklch(44.5% 0.028 346.7), rgb(96, 78, 87).
Aa
White text reads best on this color (7.70:1).
About this color
#604E57 is a dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Brownish Purple (#76424E), ΔE 0.048 away. White text reads best on it, at 7.70:1.
| Hue family | Neutrals |
| Lightness | dark (45%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #604E57 |
| RGB | rgb(96, 78, 87) |
| HSL | hsl(330, 10%, 34%) |
| OKLCH | oklch(44.5% 0.028 346.7) |
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 #604E57 | 7.70:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #604E57 | 2.72:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #604E57 text on white | 7.70:1 | AAA | Lc 86.8 | Fine for body text |
| #604E57 text on black | 2.72:1 | Fails | Lc -15.3 | Dividers and decoration only |
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
#ECE9EA
oklch(93.7% 0.003 354.7)
-
Step 200
200
#DED7DA
oklch(88.6% 0.009 349.3)
-
Step 300
300
#C9BDC3
oklch(81% 0.016 345.6)
-
Step 400
400
#AD9AA4
oklch(70.6% 0.026 344.7)
-
Step 500
500
#99828D
oklch(63.1% 0.032 347.6)
-
Step 600
600
#846B77
oklch(55.6% 0.036 347.8)
-
Step 700
700
#705964
oklch(49.1% 0.034 348.1)
-
Step 800
800 (this color)
#604E57
oklch(44.5% 0.028 346.7)
-
Step 900
900
#4B3D44
oklch(37.7% 0.022 346.6)
-
Step 950
950
#2C2428
oklch(27.1% 0.014 346.4)
#604E57 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) | #4F5157 | 0.029 |
| Deuteranopia (no green cones) | #535457 | 0.027 |
| Tritanopia (no blue cones) | #634E51 | 0.011 |
| Achromatopsia (no color) | #535353 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604E57
#604E57
oklch(44.5% 0.028 346.7)
- #465951
#465951
oklch(44.5% 0.027 167.6)
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 #604E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.048
- Dusty Grape #545775 ΔE 0.050
- Purple Brown #673A3F ΔE 0.057
- YInMn Blue #415A77 ΔE 0.066
- Slate #516572 ΔE 0.070
- Dusk #4E5481 ΔE 0.071
- Dark Mauve #874C62 ΔE 0.074
- Dark Slate Gray #2F4F4F ΔE 0.076
Use #604E57 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.