#54257C
Closest named color: Indigo (#4B0082). oklch(37.7% 0.142 305.3), rgb(84, 37, 124).
Aa
White text reads best on this color (10.86:1).
About this color
#54257C is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.142 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.054 away. White text reads best on it, at 10.86:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.93:1 |
| White text | 10.86:1 |
Values
| HEX | #54257C |
| RGB | rgb(84, 37, 124) |
| HSL | hsl(272, 54%, 32%) |
| OKLCH | oklch(37.7% 0.142 305.3) |
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 #54257C | 10.86:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #54257C | 1.93:1 | Fails | Lc 9.4 | Not readable |
| #54257C text on white | 10.86:1 | AAA | Lc 94.6 | Preferred for body text |
| #54257C text on black | 1.93:1 | Fails | Lc -8.0 | 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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#EFE5FB
oklch(93.6% 0.031 306.2)
-
Step 200
200
#E2D0F9
oklch(88.5% 0.059 305.1)
-
Step 300
300
#D1AFF8
oklch(80.9% 0.107 305.4)
-
Step 400
400
#BA81F4
oklch(70.7% 0.17 305.3)
-
Step 500
500
#AA5BF0
oklch(63.2% 0.218 305.4)
-
Step 600
600
#9538DE
oklch(55.5% 0.237 305.2)
-
Step 700
700
#8028C1
oklch(49.2% 0.22 305.5)
-
Step 800
800
#68249C
oklch(42.7% 0.183 305.6)
-
Step 900
900 (this color)
#54257C
oklch(37.7% 0.142 305.3)
-
Step 950
950
#311749
oklch(27% 0.091 305)
#54257C 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) | #003C7F | 0.113 |
| Deuteranopia (no green cones) | #083D7A | 0.111 |
| Tritanopia (no blue cones) | #4D384D | 0.102 |
| Achromatopsia (no color) | #3D3D3D | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54257C
#54257C
oklch(37.7% 0.142 305.3)
- #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 #54257C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.061
- Royal Purple #4B006E ΔE 0.062
- Rebecca Purple #663399 ΔE 0.066
- Blueberry #464196 ΔE 0.077
- Grape Purple #5D1451 ΔE 0.080
- Imperial Purple #480CA8 ΔE 0.085
- Chrysanthemum #560BAD ΔE 0.085
Use #54257C 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.