#513175
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.114 303.2), rgb(81, 49, 117).
Aa
White text reads best on this color (10.26:1).
About this color
#513175 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.114 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 10.26:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #513175 |
| RGB | rgb(81, 49, 117) |
| HSL | hsl(268, 41%, 33%) |
| OKLCH | oklch(38.6% 0.114 303.2) |
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 #513175 | 10.26:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #513175 | 2.04:1 | Fails | Lc 10.4 | Not readable |
| #513175 text on white | 10.26:1 | AAA | Lc 93.5 | Preferred for body text |
| #513175 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
#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
#CCB4EF
oklch(81% 0.086 303.1)
-
Step 400
400
#B28AE6
oklch(70.7% 0.136 303.1)
-
Step 500
500
#A069DF
oklch(63.1% 0.176 303.2)
-
Step 600
600
#8B4DCC
oklch(55.5% 0.19 303.2)
-
Step 700
700
#763DB1
oklch(49% 0.177 302.9)
-
Step 800
800
#60348F
oklch(42.7% 0.146 303)
-
Step 900
900 (this color)
#513175
oklch(38.6% 0.114 303.2)
-
Step 950
950
#2E1C43
oklch(27% 0.072 303.2)
#513175 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) | #174077 | 0.087 |
| Deuteranopia (no green cones) | #224173 | 0.080 |
| Tritanopia (no blue cones) | #4A3E4E | 0.084 |
| Achromatopsia (no color) | #414141 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513175
#513175
oklch(38.6% 0.114 303.2)
- #3B4C00
#3B4C00
oklch(38.8% 0.095 123)
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 #513175, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.071
- Indigo #4B0082 ΔE 0.081
- Grape Purple #5D1451 ΔE 0.082
- Royal Purple #4B006E ΔE 0.084
- Twilight #4E518B ΔE 0.087
- Cobalt #1E488F ΔE 0.093
Use #513175 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.