#513273
Closest named color: Dark Slate Blue (#483D8B). oklch(38.7% 0.11 303.7), rgb(81, 50, 115).
Aa
White text reads best on this color (10.22:1).
About this color
#513273 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.110 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.22:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #513273 |
| RGB | rgb(81, 50, 115) |
| HSL | hsl(269, 39%, 32%) |
| OKLCH | oklch(38.7% 0.11 303.7) |
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 #513273 | 10.22:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #513273 | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #513273 text on white | 10.22:1 | AAA | Lc 93.5 | Preferred for body text |
| #513273 text on black | 2.05:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD2F2
oklch(88.4% 0.046 303.9)
-
Step 300
300
#CCB4ED
oklch(81% 0.083 303.8)
-
Step 400
400
#B28BE3
oklch(70.7% 0.131 303.6)
-
Step 500
500
#A06BDB
oklch(63.1% 0.168 303.8)
-
Step 600
600
#8B50C8
oklch(55.6% 0.182 303.7)
-
Step 700
700
#763FAD
oklch(49% 0.17 303.7)
-
Step 800
800
#60358C
oklch(42.7% 0.14 303.8)
-
Step 900
900 (this color)
#513273
oklch(38.7% 0.11 303.7)
-
Step 950
950
#2E1C42
oklch(27% 0.071 303.9)
#513273 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) | #1B4075 | 0.083 |
| Deuteranopia (no green cones) | #254171 | 0.076 |
| Tritanopia (no blue cones) | #4B3E4D | 0.081 |
| Achromatopsia (no color) | #414141 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513273
#513273
oklch(38.7% 0.11 303.7)
- #3A4C00
#3A4C00
oklch(38.7% 0.096 123.7)
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 #513273, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Blueberry #464196 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.081
- Indigo #4B0082 ΔE 0.085
- Twilight #4E518B ΔE 0.086
- Royal Purple #4B006E ΔE 0.086
- Dusk #4E5481 ΔE 0.092
Use #513273 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.