#4A2F82
Closest named color: Dark Slate Blue (#483D8B). oklch(38.5% 0.133 294.2), rgb(74, 47, 130).
Aa
White text reads best on this color (10.39:1).
About this color
#4A2F82 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.133 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.036 away. White text reads best on it, at 10.39:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.39:1 |
Values
| HEX | #4A2F82 |
| RGB | rgb(74, 47, 130) |
| HSL | hsl(260, 47%, 35%) |
| OKLCH | oklch(38.5% 0.133 294.2) |
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 #4A2F82 | 10.39:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #4A2F82 | 2.02:1 | Fails | Lc 10.2 | Not readable |
| #4A2F82 text on white | 10.39:1 | AAA | Lc 93.7 | Preferred for body text |
| #4A2F82 text on black | 2.02:1 | Fails | Lc -8.8 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DBD3FB
oklch(88.6% 0.055 294.4)
-
Step 300
300
#C4B4FB
oklch(80.8% 0.1 294.4)
-
Step 400
400
#A88AF9
oklch(70.8% 0.159 294.4)
-
Step 500
500
#9467F6
oklch(63% 0.205 294.3)
-
Step 600
600
#8049E5
oklch(55.6% 0.222 294.1)
-
Step 700
700
#6D38C7
oklch(49.1% 0.207 294.4)
-
Step 800
800
#5830A1
oklch(42.7% 0.172 294.1)
-
Step 900
900 (this color)
#4A2F82
oklch(38.5% 0.133 294.2)
-
Step 950
950
#2A1B4B
oklch(27% 0.085 294.4)
#4A2F82 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) | #004185 | 0.087 |
| Deuteranopia (no green cones) | #003E80 | 0.087 |
| Tritanopia (no blue cones) | #3B4254 | 0.105 |
| Achromatopsia (no color) | #404040 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A2F82
#4A2F82
oklch(38.5% 0.133 294.2)
- #434800
#434800
oklch(38.4% 0.086 114.2)
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 #4A2F82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.036
- Blueberry #464196 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.066
- Indigo #4B0082 ΔE 0.068
- Imperial Purple #480CA8 ΔE 0.078
- Royal Purple #4B006E ΔE 0.082
- Cobalt #1E488F ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.084
Use #4A2F82 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.