#4A297E
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.137 297.1), rgb(74, 41, 126).
Aa
White text reads best on this color (10.99:1).
About this color
#4A297E is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.137 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 0.051 away. White text reads best on it, at 10.99:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #4A297E |
| RGB | rgb(74, 41, 126) |
| HSL | hsl(263, 51%, 33%) |
| OKLCH | oklch(37.2% 0.137 297.1) |
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 #4A297E | 10.99:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #4A297E | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #4A297E text on white | 10.99:1 | AAA | Lc 95.0 | Preferred for body text |
| #4A297E text on black | 1.90:1 | 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
#DDD2FB
oklch(88.6% 0.057 297.5)
-
Step 300
300
#C7B3FB
oklch(80.9% 0.102 296.8)
-
Step 400
400
#AD87F9
oklch(70.7% 0.165 297.4)
-
Step 500
500
#9A64F6
oklch(63.2% 0.209 297)
-
Step 600
600
#8644E5
oklch(55.6% 0.228 297)
-
Step 700
700
#7234C7
oklch(49.2% 0.212 297)
-
Step 800
800
#5C2DA1
oklch(42.7% 0.176 296.7)
-
Step 900
900 (this color)
#4A297E
oklch(37.2% 0.137 297.1)
-
Step 950
950
#2C1A4B
oklch(27% 0.087 297.1)
#4A297E 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) | #003D81 | 0.093 |
| Deuteranopia (no green cones) | #003B7C | 0.093 |
| Tritanopia (no blue cones) | #3D3D4F | 0.107 |
| Achromatopsia (no color) | #3C3C3C | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A297E
#4A297E
oklch(37.2% 0.137 297.1)
- #3D4600
#3D4600
oklch(37.3% 0.087 117.7)
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 #4A297E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Indigo #4B0082 ΔE 0.055
- Royal Purple #4B006E ΔE 0.067
- Blueberry #464196 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.078
- Chrysanthemum #560BAD ΔE 0.084
- Grape Purple #5D1451 ΔE 0.093
Use #4A297E 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.