#4F2E9A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.165 291.3), rgb(79, 46, 154).
Aa
White text reads best on this color (9.58:1).
About this color
#4F2E9A is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.165 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.043 away. White text reads best on it, at 9.58:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.18:1 |
| White text | 9.58:1 |
Values
| HEX | #4F2E9A |
| RGB | rgb(79, 46, 154) |
| HSL | hsl(258, 54%, 39%) |
| OKLCH | oklch(40.8% 0.165 291.3) |
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 #4F2E9A | 9.58:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #4F2E9A | 2.18:1 | Fails | Lc 12.4 | Not readable |
| #4F2E9A text on white | 9.58:1 | AAA | Lc 91.6 | Preferred for body text |
| #4F2E9A text on black | 2.18:1 | Fails | Lc -10.8 | 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 800.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D9D4FB
oklch(88.6% 0.053 291.1)
-
Step 300
300
#C1B6FB
oklch(81% 0.097 291.4)
-
Step 400
400
#A38DF8
oklch(70.8% 0.153 291.4)
-
Step 500
500
#8E6BF5
oklch(63% 0.198 291.4)
-
Step 600
600
#7A4EE4
oklch(55.6% 0.215 291.3)
-
Step 700
700
#673DC6
oklch(49.1% 0.2 291.3)
-
Step 800
800 (this color)
#4F2E9A
oklch(40.8% 0.165 291.3)
-
Step 900
900
#452F7F
oklch(37.7% 0.129 291.7)
-
Step 950
950
#281D4A
oklch(27.1% 0.08 291.4)
#4F2E9A 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) | #00479D | 0.093 |
| Deuteranopia (no green cones) | #004398 | 0.091 |
| Tritanopia (no blue cones) | #374960 | 0.132 |
| Achromatopsia (no color) | #454545 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2E9A
#4F2E9A
oklch(40.8% 0.165 291.3)
- #4C4E00
#4C4E00
oklch(40.8% 0.09 111.5)
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 #4F2E9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.043
- Blueberry #464196 ΔE 0.044
- Rebecca Purple #663399 ΔE 0.047
- Chrysanthemum #560BAD ΔE 0.051
- Imperial Purple #480CA8 ΔE 0.052
- Indigo Blue #3A18B1 ΔE 0.066
- Sapphire #2138AB ΔE 0.074
- Indigo #4B0082 ΔE 0.077
Use #4F2E9A 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.