#4B317F
Closest named color: Dark Slate Blue (#483D8B). oklch(38.7% 0.126 295.2), rgb(75, 49, 127).
Aa
White text reads best on this color (10.26:1).
About this color
#4B317F is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.126 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 10.26:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #4B317F |
| RGB | rgb(75, 49, 127) |
| HSL | hsl(260, 44%, 35%) |
| OKLCH | oklch(38.7% 0.126 295.2) |
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 #4B317F | 10.26:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #4B317F | 2.04:1 | Fails | Lc 10.4 | Not readable |
| #4B317F text on white | 10.26:1 | AAA | Lc 93.5 | Preferred for body text |
| #4B317F text on black | 2.04:1 | Fails | Lc -9.0 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FB
oklch(93.7% 0.027 295)
-
Step 200
200
#DBD3F9
oklch(88.5% 0.052 295)
-
Step 300
300
#C5B5F8
oklch(81% 0.095 295.2)
-
Step 400
400
#A98BF4
oklch(70.8% 0.151 295.4)
-
Step 500
500
#956AF0
oklch(63.2% 0.193 295.1)
-
Step 600
600
#814CDE
oklch(55.6% 0.211 295.4)
-
Step 700
700
#6D3CC1
oklch(49.1% 0.196 295.1)
-
Step 800
800
#59339C
oklch(42.8% 0.162 295.3)
-
Step 900
900 (this color)
#4B317F
oklch(38.7% 0.126 295.2)
-
Step 950
950
#2A1C49
oklch(27% 0.081 294.8)
#4B317F 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) | #004182 | 0.087 |
| Deuteranopia (no green cones) | #0D3F7D | 0.082 |
| Tritanopia (no blue cones) | #3E4253 | 0.099 |
| Achromatopsia (no color) | #414141 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B317F
#4B317F
oklch(38.7% 0.126 295.2)
- #434900
#434900
oklch(38.7% 0.088 115)
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 #4B317F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.052
- Rebecca Purple #663399 ΔE 0.066
- Indigo #4B0082 ΔE 0.073
- Cobalt #1E488F ΔE 0.081
- Royal Purple #4B006E ΔE 0.084
- Twilight #4E518B ΔE 0.085
- Imperial Purple #480CA8 ΔE 0.086
Use #4B317F 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.