#49278D
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.158 292.5), rgb(73, 39, 141).
Aa
White text reads best on this color (10.72:1).
About this color
#49278D is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.158 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.050 away. White text reads best on it, at 10.72:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #49278D |
| RGB | rgb(73, 39, 141) |
| HSL | hsl(260, 57%, 35%) |
| OKLCH | oklch(38.1% 0.158 292.5) |
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 #49278D | 10.72:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #49278D | 1.95:1 | Fails | Lc 9.7 | Not readable |
| #49278D text on white | 10.72:1 | AAA | Lc 94.2 | Preferred for body text |
| #49278D text on black | 1.95:1 | Fails | Lc -8.4 | 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 900.
-
Step 50
50
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#EAE6FF
oklch(93.6% 0.034 293.1)
-
Step 200
200
#DAD2FF
oklch(88.5% 0.062 293.2)
-
Step 300
300
#C2B4FF
oklch(80.9% 0.105 292.4)
-
Step 400
400
#A589FF
oklch(70.7% 0.169 292.5)
-
Step 500
500
#9265FF
oklch(63.2% 0.218 292.5)
-
Step 600
600
#8137FB
oklch(55.6% 0.264 292.7)
-
Step 700
700
#6D26DB
oklch(49.1% 0.245 292.4)
-
Step 800
800
#5924B1
oklch(42.8% 0.203 292.6)
-
Step 900
900 (this color)
#49278D
oklch(38.1% 0.158 292.5)
-
Step 950
950
#2A1852
oklch(27% 0.1 292.7)
#49278D 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) | #003F90 | 0.090 |
| Deuteranopia (no green cones) | #003C8B | 0.089 |
| Tritanopia (no blue cones) | #344157 | 0.125 |
| Achromatopsia (no color) | #3E3E3E | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #49278D
#49278D
oklch(38.1% 0.158 292.5)
- #444700
#444700
oklch(38.2% 0.085 112.5)
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 #49278D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.050
- Imperial Purple #480CA8 ΔE 0.053
- Indigo #4B0082 ΔE 0.054
- Blueberry #464196 ΔE 0.060
- Chrysanthemum #560BAD ΔE 0.061
- Rebecca Purple #663399 ΔE 0.067
- Indigo Blue #3A18B1 ΔE 0.070
- Royal Purple #4B006E ΔE 0.078
Use #49278D 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.