#513277
Closest named color: Dark Slate Blue (#483D8B). oklch(38.9% 0.115 302.1), rgb(81, 50, 119).
Aa
White text reads best on this color (10.13:1).
About this color
#513277 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.115 and its hue 302°. 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 10.13:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #513277 |
| RGB | rgb(81, 50, 119) |
| HSL | hsl(267, 41%, 33%) |
| OKLCH | oklch(38.9% 0.115 302.1) |
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 #513277 | 10.13:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #513277 | 2.07:1 | Fails | Lc 10.7 | Not readable |
| #513277 text on white | 10.13:1 | AAA | Lc 93.2 | Preferred for body text |
| #513277 text on black | 2.07:1 | Fails | Lc -9.3 | 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
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F4
oklch(88.5% 0.048 302.8)
-
Step 300
300
#CBB4F0
oklch(81% 0.087 302)
-
Step 400
400
#B18AE8
oklch(70.7% 0.139 302.1)
-
Step 500
500
#9E6AE0
oklch(63.1% 0.175 302)
-
Step 600
600
#8A4ECE
oklch(55.7% 0.191 302.1)
-
Step 700
700
#753EB2
oklch(49.1% 0.177 302)
-
Step 800
800
#5F3490
oklch(42.7% 0.147 302)
-
Step 900
900 (this color)
#513277
oklch(38.9% 0.115 302.1)
-
Step 950
950
#2D1C43
oklch(26.9% 0.072 301.9)
#513277 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) | #174179 | 0.086 |
| Deuteranopia (no green cones) | #224175 | 0.078 |
| Tritanopia (no blue cones) | #4A3F4F | 0.086 |
| Achromatopsia (no color) | #414141 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513277
#513277
oklch(38.9% 0.115 302.1)
- #3D4C00
#3D4C00
oklch(38.9% 0.094 121.7)
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 #513277, 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 0.062
- Rebecca Purple #663399 ΔE 0.068
- Indigo #4B0082 ΔE 0.082
- Twilight #4E518B ΔE 0.084
- Grape Purple #5D1451 ΔE 0.085
- Royal Purple #4B006E ΔE 0.086
- Cobalt #1E488F ΔE 0.090
Use #513277 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.