#604E51
Closest named color: Brownish Purple (#76424E). oklch(44.3% 0.025 6.9), rgb(96, 78, 81).
Aa
White text reads best on this color (7.76:1).
About this color
#604E51 is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Brownish Purple (#76424E), ΔE 0.049 away. White text reads best on it, at 7.76:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #604E51 |
| RGB | rgb(96, 78, 81) |
| HSL | hsl(350, 10%, 34%) |
| OKLCH | oklch(44.3% 0.025 6.9) |
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 #604E51 | 7.76:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #604E51 | 2.70:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #604E51 text on white | 7.76:1 | AAA | Lc 87.0 | Fine for body text |
| #604E51 text on black | 2.70:1 | Fails | Lc -15.2 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#ECE9E9
oklch(93.6% 0.003 17.2)
-
Step 200
200
#DED7D8
oklch(88.5% 0.008 7.3)
-
Step 300
300
#C9BDBF
oklch(80.9% 0.014 5.9)
-
Step 400
400
#AE9B9E
oklch(70.7% 0.023 6.9)
-
Step 500
500
#9A8286
oklch(63% 0.03 6.7)
-
Step 600
600
#856C70
oklch(55.7% 0.032 7.4)
-
Step 700
700
#705A5E
oklch(49.1% 0.029 6)
-
Step 800
800 (this color)
#604E51
oklch(44.3% 0.025 6.9)
-
Step 900
900
#4B3E40
oklch(37.8% 0.018 7.5)
-
Step 950
950
#2C2425
oklch(27% 0.012 9.4)
#604E51 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) | #505151 | 0.027 |
| Deuteranopia (no green cones) | #555451 | 0.025 |
| Tritanopia (no blue cones) | #644D4F | 0.007 |
| Achromatopsia (no color) | #525252 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604E51
#604E51
oklch(44.3% 0.025 6.9)
- #445856
#445856
oklch(44.3% 0.025 188.8)
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 #604E51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.049
- Purple Brown #673A3F ΔE 0.055
- Dusty Grape #545775 ΔE 0.058
- YInMn Blue #415A77 ΔE 0.072
- Slate #516572 ΔE 0.073
- Dark Slate Gray #2F4F4F ΔE 0.074
- Dark Mauve #874C62 ΔE 0.078
- Charcoal Grey #3C4142 ΔE 0.079
Use #604E51 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.