#604E71
Closest named color: Dusty Grape (#545775). oklch(45.6% 0.06 307.6), rgb(96, 78, 113).
Aa
White text reads best on this color (7.43:1).
About this color
#604E71 is a medium-dark, muted purple. In OKLCH its lightness is 46%, its chroma 0.060 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.030 away. White text reads best on it, at 7.43:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #604E71 |
| RGB | rgb(96, 78, 113) |
| HSL | hsl(271, 18%, 37%) |
| OKLCH | oklch(45.6% 0.06 307.6) |
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 #604E71 | 7.43:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #604E71 | 2.82:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #604E71 text on white | 7.43:1 | AAA | Lc 85.8 | Fine for body text |
| #604E71 text on black | 2.82:1 | Fails | Lc -16.2 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DCD6E3
oklch(88.5% 0.019 306.6)
-
Step 300
300
#C7BBD3
oklch(80.9% 0.036 308)
-
Step 400
400
#AA98BC
oklch(70.7% 0.055 307.6)
-
Step 500
500
#957EAB
oklch(63% 0.071 307.7)
-
Step 600
600
#806797
oklch(55.6% 0.078 307.8)
-
Step 700
700
#6C5581
oklch(49% 0.074 307.8)
-
Step 800
800 (this color)
#604E71
oklch(45.6% 0.06 307.6)
-
Step 900
900
#483B55
oklch(37.7% 0.046 307.1)
-
Step 950
950
#2A2332
oklch(27.1% 0.029 305.8)
#604E71 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) | #485472 | 0.040 |
| Deuteranopia (no green cones) | #4B5570 | 0.038 |
| Tritanopia (no blue cones) | #5E535A | 0.045 |
| Achromatopsia (no color) | #555555 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #604E71
#604E71
oklch(45.6% 0.06 307.6)
- #4D5D39
#4D5D39
oklch(45.5% 0.059 128)
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 #604E71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.030
- Dusk #4E5481 ΔE 0.038
- Twilight #4E518B ΔE 0.050
- YInMn Blue #415A77 ΔE 0.054
- Brownish Purple #76424E ΔE 0.066
- Slate #516572 ΔE 0.070
- Dusky Blue #475F94 ΔE 0.071
- Denim Blue #3B5B92 ΔE 0.073
Use #604E71 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.