#54307E
Closest named color: Dark Slate Blue (#483D8B). oklch(39.5% 0.128 302.1), rgb(84, 48, 126).
Aa
White text reads best on this color (9.99:1).
About this color
#54307E is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.128 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.041 away. White text reads best on it, at 9.99:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #54307E |
| RGB | rgb(84, 48, 126) |
| HSL | hsl(268, 45%, 34%) |
| OKLCH | oklch(39.5% 0.128 302.1) |
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 #54307E | 9.99:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #54307E | 2.10:1 | Fails | Lc 11.1 | Not readable |
| #54307E text on white | 9.99:1 | AAA | Lc 92.8 | Preferred for body text |
| #54307E text on black | 2.10:1 | Fails | Lc -9.6 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#DFD1F7
oklch(88.4% 0.054 302.1)
-
Step 300
300
#CCB2F5
oklch(80.9% 0.097 302.1)
-
Step 400
400
#B387EF
oklch(70.7% 0.153 302.2)
-
Step 500
500
#A164EA
oklch(63.1% 0.197 302.1)
-
Step 600
600
#8D46D8
oklch(55.6% 0.213 302.2)
-
Step 700
700
#7836BB
oklch(49.1% 0.198 302.2)
-
Step 800
800
#612E97
oklch(42.6% 0.164 302.1)
-
Step 900
900 (this color)
#54307E
oklch(39.5% 0.128 302.1)
-
Step 950
950
#2E1A47
oklch(27% 0.082 301.7)
#54307E 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) | #064281 | 0.100 |
| Deuteranopia (no green cones) | #1A427C | 0.091 |
| Tritanopia (no blue cones) | #4C4052 | 0.095 |
| Achromatopsia (no color) | #424242 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54307E
#54307E
oklch(39.5% 0.128 302.1)
- #3E4E00
#3E4E00
oklch(39.6% 0.096 122.1)
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 #54307E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.041
- Rebecca Purple #663399 ΔE 0.056
- Blueberry #464196 ΔE 0.058
- Indigo #4B0082 ΔE 0.076
- Royal Purple #4B006E ΔE 0.085
- Twilight #4E518B ΔE 0.085
- Chrysanthemum #560BAD ΔE 0.090
- Grape Purple #5D1451 ΔE 0.091
Use #54307E 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.