#4A2587
Closest named color: Indigo (#4B0082). oklch(37.4% 0.153 295.2), rgb(74, 37, 135).
Aa
White text reads best on this color (11.01:1).
About this color
#4A2587 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.153 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.047 away. White text reads best on it, at 11.01:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #4A2587 |
| RGB | rgb(74, 37, 135) |
| HSL | hsl(263, 57%, 34%) |
| OKLCH | oklch(37.4% 0.153 295.2) |
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 #4A2587 | 11.01:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #4A2587 | 1.90:1 | Fails | Lc 9.1 | Not readable |
| #4A2587 text on white | 11.01:1 | AAA | Lc 94.8 | Preferred for body text |
| #4A2587 text on black | 1.90:1 | Fails | Lc -7.8 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FE
oklch(93.6% 0.033 295.3)
-
Step 200
200
#DCD2FF
oklch(88.6% 0.062 295.3)
-
Step 300
300
#C6B3FF
oklch(81% 0.107 295.4)
-
Step 400
400
#AA87FF
oklch(70.7% 0.172 295.1)
-
Step 500
500
#9861FF
oklch(63.2% 0.224 295.3)
-
Step 600
600
#8539F4
oklch(55.6% 0.255 295.1)
-
Step 700
700
#7127D5
oklch(49% 0.238 295)
-
Step 800
800
#5C25AC
oklch(42.8% 0.197 295.1)
-
Step 900
900 (this color)
#4A2587
oklch(37.4% 0.153 295.2)
-
Step 950
950
#2B1850
oklch(27% 0.098 294.6)
#4A2587 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) | #003D8A | 0.094 |
| Deuteranopia (no green cones) | #003B85 | 0.094 |
| Tritanopia (no blue cones) | #393E53 | 0.120 |
| Achromatopsia (no color) | #3C3C3C | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A2587
#4A2587
oklch(37.4% 0.153 295.2)
- #404600
#404600
oklch(37.6% 0.085 115.2)
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 #4A2587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.054
- Imperial Purple #480CA8 ΔE 0.061
- Blueberry #464196 ΔE 0.067
- Royal Purple #4B006E ΔE 0.068
- Chrysanthemum #560BAD ΔE 0.068
- Rebecca Purple #663399 ΔE 0.070
- Indigo Blue #3A18B1 ΔE 0.079
Use #4A2587 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.