#54287A
Closest named color: Dark Slate Blue (#483D8B). oklch(38% 0.135 305.5), rgb(84, 40, 122).
Aa
White text reads best on this color (10.70:1).
About this color
#54287A is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.135 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.057 away. White text reads best on it, at 10.70:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.96:1 |
| White text | 10.70:1 |
Values
| HEX | #54287A |
| RGB | rgb(84, 40, 122) |
| HSL | hsl(272, 51%, 32%) |
| OKLCH | oklch(38% 0.135 305.5) |
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 #54287A | 10.70:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #54287A | 1.96:1 | Fails | Lc 9.6 | Not readable |
| #54287A text on white | 10.70:1 | AAA | Lc 94.3 | Preferred for body text |
| #54287A text on black | 1.96:1 | Fails | Lc -8.3 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E2D0F8
oklch(88.5% 0.057 305.6)
-
Step 300
300
#D0B0F5
oklch(80.9% 0.101 305.4)
-
Step 400
400
#B983F0
oklch(70.7% 0.162 305.5)
-
Step 500
500
#A85EEB
oklch(63% 0.208 305.4)
-
Step 600
600
#943ED9
oklch(55.6% 0.225 305.5)
-
Step 700
700
#7E2EBC
oklch(49.1% 0.209 305.4)
-
Step 800
800
#672898
oklch(42.7% 0.174 305.9)
-
Step 900
900 (this color)
#54287A
oklch(38% 0.135 305.5)
-
Step 950
950
#311847
oklch(27% 0.086 306)
#54287A 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) | #003D7D | 0.111 |
| Deuteranopia (no green cones) | #133E78 | 0.103 |
| Tritanopia (no blue cones) | #4D394D | 0.097 |
| Achromatopsia (no color) | #3E3E3E | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54287A
#54287A
oklch(38% 0.135 305.5)
- #364A00
#364A00
oklch(37.8% 0.095 125.3)
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 #54287A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Indigo #4B0082 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.066
- Royal Purple #4B006E ΔE 0.067
- Blueberry #464196 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.078
- Imperial Purple #480CA8 ΔE 0.090
- Chrysanthemum #560BAD ΔE 0.090
Use #54287A 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.