#513078
Closest named color: Dark Slate Blue (#483D8B). oklch(38.7% 0.12 302.3), rgb(81, 48, 120).
Aa
White text reads best on this color (10.27:1).
About this color
#513078 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.120 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 0.044 away. White text reads best on it, at 10.27:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.27:1 |
Values
| HEX | #513078 |
| RGB | rgb(81, 48, 120) |
| HSL | hsl(267, 43%, 33%) |
| OKLCH | oklch(38.7% 0.12 302.3) |
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 #513078 | 10.27:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #513078 | 2.04:1 | Fails | Lc 10.4 | Not readable |
| #513078 text on white | 10.27:1 | AAA | Lc 93.5 | Preferred for body text |
| #513078 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
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F5
oklch(88.5% 0.049 302.3)
-
Step 300
300
#CBB3F1
oklch(80.8% 0.09 302.2)
-
Step 400
400
#B289EA
oklch(70.7% 0.143 302.4)
-
Step 500
500
#A068E4
oklch(63.2% 0.183 302.3)
-
Step 600
600
#8B4BD1
oklch(55.6% 0.199 302.3)
-
Step 700
700
#763BB5
oklch(49.1% 0.185 302.2)
-
Step 800
800
#603293
oklch(42.7% 0.153 302.1)
-
Step 900
900 (this color)
#513078
oklch(38.7% 0.12 302.3)
-
Step 950
950
#2E1B45
oklch(27% 0.077 302.4)
#513078 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) | #10407A | 0.092 |
| Deuteranopia (no green cones) | #1E4076 | 0.083 |
| Tritanopia (no blue cones) | #493E4F | 0.089 |
| Achromatopsia (no color) | #414141 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513078
#513078
oklch(38.7% 0.12 302.3)
- #3C4B00
#3C4B00
oklch(38.6% 0.093 121.8)
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 #513078, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Blueberry #464196 ΔE 0.063
- Rebecca Purple #663399 ΔE 0.067
- Indigo #4B0082 ΔE 0.076
- Royal Purple #4B006E ΔE 0.082
- Grape Purple #5D1451 ΔE 0.084
- Twilight #4E518B ΔE 0.088
- Cobalt #1E488F ΔE 0.093
Use #513078 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.