#54357D
Closest named color: Dark Slate Blue (#483D8B). oklch(40.2% 0.119 301.1), rgb(84, 53, 125).
Aa
White text reads best on this color (9.62:1).
About this color
#54357D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.119 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 9.62:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.119) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #54357D |
| RGB | rgb(84, 53, 125) |
| HSL | hsl(266, 40%, 35%) |
| OKLCH | oklch(40.2% 0.119 301.1) |
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 #54357D | 9.62:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #54357D | 2.18:1 | Fails | Lc 11.9 | Not readable |
| #54357D text on white | 9.62:1 | AAA | Lc 92.0 | Preferred for body text |
| #54357D text on black | 2.18:1 | Fails | Lc -10.4 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DDD4EF
oklch(88.5% 0.038 300.8)
-
Step 300
300
#C8B7E7
oklch(81% 0.069 301.1)
-
Step 400
400
#AC90DB
oklch(70.7% 0.111 300.8)
-
Step 500
500
#9973D1
oklch(63.2% 0.141 301.1)
-
Step 600
600
#8459BE
oklch(55.6% 0.154 301.2)
-
Step 700
700
#7048A4
oklch(49.1% 0.144 301.3)
-
Step 800
800 (this color)
#54357D
oklch(40.2% 0.119 301.1)
-
Step 900
900
#4A346A
oklch(37.6% 0.092 300.9)
-
Step 950
950
#2B1F3E
oklch(27% 0.058 300.4)
#54357D 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) | #18447F | 0.087 |
| Deuteranopia (no green cones) | #23447B | 0.079 |
| Tritanopia (no blue cones) | #4C4353 | 0.090 |
| Achromatopsia (no color) | #454545 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54357D
#54357D
oklch(40.2% 0.119 301.1)
- #414F00
#414F00
oklch(40.1% 0.096 120.6)
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 #54357D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.057
- Twilight #4E518B ΔE 0.074
- Dusk #4E5481 ΔE 0.083
- Cobalt #1E488F ΔE 0.087
- Indigo #4B0082 ΔE 0.088
- Grape Purple #5D1451 ΔE 0.095
Use #54357D 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.