#4A287B
Closest named color: Indigo (#4B0082). oklch(36.8% 0.134 298.3), rgb(74, 40, 123).
Aa
White text reads best on this color (11.16:1).
About this color
#4A287B is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.134 and its hue 298°. 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 11.16:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.88:1 |
| White text | 11.16:1 |
Values
| HEX | #4A287B |
| RGB | rgb(74, 40, 123) |
| HSL | hsl(265, 51%, 32%) |
| OKLCH | oklch(36.8% 0.134 298.3) |
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 #4A287B | 11.16:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #4A287B | 1.88:1 | Fails | Lc 8.6 | Not readable |
| #4A287B text on white | 11.16:1 | AAA | Lc 95.3 | Preferred for body text |
| #4A287B text on black | 1.88:1 | Fails | Lc -7.3 | 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
#ECE6FB
oklch(93.6% 0.029 298.9)
-
Step 200
200
#DDD2FA
oklch(88.5% 0.056 297.8)
-
Step 300
300
#C9B3F9
oklch(81% 0.1 298.6)
-
Step 400
400
#AE87F7
oklch(70.7% 0.162 298.2)
-
Step 500
500
#9C64F3
oklch(63.2% 0.206 298.3)
-
Step 600
600
#8845E1
oklch(55.6% 0.223 298.5)
-
Step 700
700
#7334C4
oklch(49% 0.209 298.1)
-
Step 800
800
#5E2D9E
oklch(42.7% 0.172 298.6)
-
Step 900
900 (this color)
#4A287B
oklch(36.8% 0.134 298.3)
-
Step 950
950
#2C1A4A
oklch(27% 0.086 297.6)
#4A287B 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) | #003B7E | 0.094 |
| Deuteranopia (no green cones) | #003A79 | 0.094 |
| Tritanopia (no blue cones) | #3F3B4D | 0.104 |
| Achromatopsia (no color) | #3B3B3B | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A287B
#4A287B
oklch(36.8% 0.134 298.3)
- #3B4500
#3B4500
oklch(36.8% 0.086 118.6)
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 #4A287B, 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 0.055
- Royal Purple #4B006E ΔE 0.063
- Blueberry #464196 ΔE 0.072
- Rebecca Purple #663399 ΔE 0.078
- Imperial Purple #480CA8 ΔE 0.082
- Grape Purple #5D1451 ΔE 0.088
- Chrysanthemum #560BAD ΔE 0.088
Use #4A287B 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.