#54297B
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.135 304.9), rgb(84, 41, 123).
Aa
White text reads best on this color (10.60:1).
About this color
#54297B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.135 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 10.60:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.98:1 |
| White text | 10.60:1 |
Values
| HEX | #54297B |
| RGB | rgb(84, 41, 123) |
| HSL | hsl(271, 50%, 32%) |
| OKLCH | oklch(38.2% 0.135 304.9) |
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 #54297B | 10.60:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #54297B | 1.98:1 | Fails | Lc 9.8 | Not readable |
| #54297B text on white | 10.60:1 | AAA | Lc 94.1 | Preferred for body text |
| #54297B text on black | 1.98:1 | Fails | Lc -8.5 | 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
#E1D0F8
oklch(88.4% 0.057 304.5)
-
Step 300
300
#D0B0F6
oklch(80.9% 0.102 305.1)
-
Step 400
400
#B883F1
oklch(70.6% 0.163 304.8)
-
Step 500
500
#A75FEB
oklch(63.1% 0.206 304.9)
-
Step 600
600
#933EDA
oklch(55.6% 0.226 304.9)
-
Step 700
700
#7D2EBD
oklch(49% 0.21 304.7)
-
Step 800
800
#662999
oklch(42.8% 0.173 304.9)
-
Step 900
900 (this color)
#54297B
oklch(38.2% 0.135 304.9)
-
Step 950
950
#301847
oklch(26.9% 0.086 304.8)
#54297B 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) | #003D7E | 0.109 |
| Deuteranopia (no green cones) | #133F79 | 0.103 |
| Tritanopia (no blue cones) | #4D3A4E | 0.097 |
| Achromatopsia (no color) | #3F3F3F | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54297B
#54297B
oklch(38.2% 0.135 304.9)
- #374B00
#374B00
oklch(38.2% 0.096 125.1)
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 #54297B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Indigo #4B0082 ΔE 0.062
- Rebecca Purple #663399 ΔE 0.064
- Royal Purple #4B006E ΔE 0.069
- Blueberry #464196 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.080
- Chrysanthemum #560BAD ΔE 0.089
- Imperial Purple #480CA8 ΔE 0.089
Use #54297B 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.