#4A2A7D
Closest named color: Dark Slate Blue (#483D8B). oklch(37.3% 0.134 297.2), rgb(74, 42, 125).
Aa
White text reads best on this color (10.94:1).
About this color
#4A2A7D is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.134 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 10.94:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #4A2A7D |
| RGB | rgb(74, 42, 125) |
| HSL | hsl(263, 50%, 33%) |
| OKLCH | oklch(37.3% 0.134 297.2) |
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 #4A2A7D | 10.94:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #4A2A7D | 1.91:1 | Fails | Lc 9.0 | Not readable |
| #4A2A7D text on white | 10.94:1 | AAA | Lc 94.9 | Preferred for body text |
| #4A2A7D text on black | 1.91:1 | Fails | Lc -7.7 | 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
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DDD2FA
oklch(88.5% 0.056 297.8)
-
Step 300
300
#C7B3FA
oklch(80.9% 0.101 297)
-
Step 400
400
#AC88F7
oklch(70.7% 0.16 297.1)
-
Step 500
500
#9A65F4
oklch(63.2% 0.206 297.2)
-
Step 600
600
#8646E2
oklch(55.6% 0.223 297.4)
-
Step 700
700
#7135C5
oklch(49% 0.209 296.9)
-
Step 800
800
#5C2E9F
oklch(42.7% 0.172 297.1)
-
Step 900
900 (this color)
#4A2A7D
oklch(37.3% 0.134 297.2)
-
Step 950
950
#2C1A4A
oklch(27% 0.086 297.6)
#4A2A7D 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) | #003D80 | 0.092 |
| Deuteranopia (no green cones) | #003C7B | 0.092 |
| Tritanopia (no blue cones) | #3E3D4F | 0.104 |
| Achromatopsia (no color) | #3D3D3D | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A2A7D
#4A2A7D
oklch(37.3% 0.134 297.2)
- #3E4600
#3E4600
oklch(37.4% 0.086 116.9)
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 #4A2A7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Indigo #4B0082 ΔE 0.058
- Blueberry #464196 ΔE 0.066
- Royal Purple #4B006E ΔE 0.068
- Rebecca Purple #663399 ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.080
- Chrysanthemum #560BAD ΔE 0.087
- Grape Purple #5D1451 ΔE 0.092
Use #4A2A7D 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.