#55375D
Closest named color: Purple Brown (#673A3F). oklch(38.8% 0.073 319), rgb(85, 55, 93).
Aa
White text reads best on this color (10.04:1).
About this color
#55375D is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.073 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.065 away. White text reads best on it, at 10.04:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.09:1 |
| White text | 10.04:1 |
Values
| HEX | #55375D |
| RGB | rgb(85, 55, 93) |
| HSL | hsl(287, 26%, 29%) |
| OKLCH | oklch(38.8% 0.073 319) |
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 #55375D | 10.04:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #55375D | 2.09:1 | Fails | Lc 10.7 | Not readable |
| #55375D text on white | 10.04:1 | AAA | Lc 93.2 | Preferred for body text |
| #55375D text on black | 2.09:1 | Fails | Lc -9.3 | 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 900.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE7F1
oklch(93.7% 0.016 319.4)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#D0B6D7
oklch(80.9% 0.054 319)
-
Step 400
400
#B88FC3
oklch(70.6% 0.087 319)
-
Step 500
500
#A673B4
oklch(63.1% 0.11 318.8)
-
Step 600
600
#915AA0
oklch(55.6% 0.121 318.8)
-
Step 700
700
#7C4A89
oklch(49.2% 0.112 319.1)
-
Step 800
800
#653D6F
oklch(42.8% 0.093 319.4)
-
Step 900
900 (this color)
#55375D
oklch(38.8% 0.073 319)
-
Step 950
950
#301F35
oklch(27% 0.046 318.4)
#55375D 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) | #32405E | 0.062 |
| Deuteranopia (no green cones) | #39435C | 0.057 |
| Tritanopia (no blue cones) | #553C45 | 0.048 |
| Achromatopsia (no color) | #424242 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55375D
#55375D
oklch(38.8% 0.073 319)
- #2F4E26
#2F4E26
oklch(38.9% 0.074 138.9)
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 #55375D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.065
- Grape Purple #5D1451 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.079
- Dark Slate Blue #483D8B ΔE 0.080
- Onyx #343A40 ΔE 0.082
- Brownish Purple #76424E ΔE 0.082
- Charcoal #264653 ΔE 0.088
Use #55375D 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.