#513B98
Closest named color: Blueberry (#464196). oklch(42.9% 0.145 289.8), rgb(81, 59, 152).
Aa
White text reads best on this color (8.64:1).
About this color
#513B98 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.145 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.022 away. White text reads best on it, at 8.64:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #513B98 |
| RGB | rgb(81, 59, 152) |
| HSL | hsl(254, 44%, 41%) |
| OKLCH | oklch(42.9% 0.145 289.8) |
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 #513B98 | 8.64:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #513B98 | 2.42:1 | Fails | Lc 14.7 | Not readable |
| #513B98 text on white | 8.64:1 | AAA | Lc 89.3 | Fine for body text |
| #513B98 text on black | 2.42:1 | Fails | Lc -12.9 | 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 800.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D5F7
oklch(88.6% 0.047 289.5)
-
Step 300
300
#BFB8F4
oklch(80.9% 0.084 289.7)
-
Step 400
400
#A091EF
oklch(70.8% 0.135 289.8)
-
Step 500
500
#8A72EA
oklch(63.1% 0.174 289.7)
-
Step 600
600
#7557D8
oklch(55.6% 0.189 289.5)
-
Step 700
700
#6346BB
oklch(49.1% 0.175 289.8)
-
Step 800
800 (this color)
#513B98
oklch(42.9% 0.145 289.8)
-
Step 900
900
#423378
oklch(37.6% 0.113 289.9)
-
Step 950
950
#271F47
oklch(27.1% 0.072 290)
#513B98 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) | #004D9B | 0.085 |
| Deuteranopia (no green cones) | #004996 | 0.085 |
| Tritanopia (no blue cones) | #3B5063 | 0.119 |
| Achromatopsia (no color) | #4C4C4C | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513B98
#513B98
oklch(42.9% 0.145 289.8)
- #535300
#535300
oklch(42.8% 0.093 109.8)
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 #513B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.022
- Dark Slate Blue #483D8B ΔE 0.027
- Rebecca Purple #663399 ΔE 0.041
- Twilight #4E518B ΔE 0.064
- Cobalt #1E488F ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.076
- Sapphire #2138AB ΔE 0.077
Use #513B98 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.