#4F2874
Closest named color: Indigo (#4B0082). oklch(36.9% 0.127 304.5), rgb(79, 40, 116).
Aa
White text reads best on this color (11.12:1).
About this color
#4F2874 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.127 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.061 away. White text reads best on it, at 11.12:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.88:1 |
| White text | 11.12:1 |
Values
| HEX | #4F2874 |
| RGB | rgb(79, 40, 116) |
| HSL | hsl(271, 49%, 31%) |
| OKLCH | oklch(36.9% 0.127 304.5) |
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 #4F2874 | 11.12:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #4F2874 | 1.88:1 | Fails | Lc 8.6 | Not readable |
| #4F2874 text on white | 11.12:1 | AAA | Lc 95.3 | Preferred for body text |
| #4F2874 text on black | 1.88:1 | Fails | Lc -7.4 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E1D1F6
oklch(88.5% 0.053 304.9)
-
Step 300
300
#CEB1F3
oklch(80.8% 0.096 304.4)
-
Step 400
400
#B686EC
oklch(70.7% 0.152 304.5)
-
Step 500
500
#A563E6
oklch(63.1% 0.194 304.7)
-
Step 600
600
#9045D4
oklch(55.6% 0.211 304.4)
-
Step 700
700
#7B35B8
oklch(49.1% 0.196 304.5)
-
Step 800
800
#642D95
oklch(42.7% 0.163 304.5)
-
Step 900
900 (this color)
#4F2874
oklch(36.9% 0.127 304.5)
-
Step 950
950
#2F1A45
oklch(26.9% 0.079 304.1)
#4F2874 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) | #003A76 | 0.103 |
| Deuteranopia (no green cones) | #143B72 | 0.095 |
| Tritanopia (no blue cones) | #48384A | 0.092 |
| Achromatopsia (no color) | #3B3B3B | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2874
#4F2874
oklch(36.9% 0.127 304.5)
- #354700
#354700
oklch(36.9% 0.092 124.4)
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 #4F2874, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.061
- Royal Purple #4B006E ΔE 0.062
- Grape Purple #5D1451 ΔE 0.073
- Rebecca Purple #663399 ΔE 0.079
- Blueberry #464196 ΔE 0.079
- Plum Purple #4E0550 ΔE 0.084
- Imperial Purple #480CA8 ΔE 0.095
Use #4F2874 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.