#57445B
Closest named color: Purple Brown (#673A3F). oklch(41.5% 0.045 320.4), rgb(87, 68, 91).
Aa
White text reads best on this color (8.81:1).
About this color
#57445B is a dark, muted purple. In OKLCH its lightness is 42%, its chroma 0.045 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.052 away. White text reads best on it, at 8.81:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.38:1 |
| White text | 8.81:1 |
Values
| HEX | #57445B |
| RGB | rgb(87, 68, 91) |
| HSL | hsl(290, 14%, 31%) |
| OKLCH | oklch(41.5% 0.045 320.4) |
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 #57445B | 8.81:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #57445B | 2.38:1 | Fails | Lc 13.8 | Not readable |
| #57445B text on white | 8.81:1 | AAA | Lc 90.1 | Preferred for body text |
| #57445B text on black | 2.38:1 | Fails | Lc -12.2 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DED6DF
oklch(88.5% 0.015 322.3)
-
Step 300
300
#C8BBCB
oklch(80.8% 0.026 319.9)
-
Step 400
400
#AD99B1
oklch(70.8% 0.041 320.6)
-
Step 500
500
#987F9E
oklch(63% 0.054 319.7)
-
Step 600
600
#836889
oklch(55.5% 0.059 320.1)
-
Step 700
700
#6F5774
oklch(49.2% 0.054 320.5)
-
Step 800
800 (this color)
#57445B
oklch(41.5% 0.045 320.4)
-
Step 900
900
#4A3C4D
oklch(37.8% 0.034 320.3)
-
Step 950
950
#2B232D
oklch(26.9% 0.022 319.5)
#57445B 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) | #42495C | 0.036 |
| Deuteranopia (no green cones) | #464B5A | 0.034 |
| Tritanopia (no blue cones) | #58464C | 0.028 |
| Achromatopsia (no color) | #4A4A4A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57445B
#57445B
oklch(41.5% 0.045 320.4)
- #3F523B
#3F523B
oklch(41.6% 0.044 140.2)
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 #57445B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.052
- Dusty Grape #545775 ΔE 0.060
- Brownish Purple #76424E ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.065
- Dusk #4E5481 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.070
- YInMn Blue #415A77 ΔE 0.072
- Dark Slate Gray #2F4F4F ΔE 0.074
Use #57445B 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.