#513CDC
Closest named color: Blurple (#5539CC). oklch(49% 0.229 279.7), rgb(81, 60, 220).
Aa
White text reads best on this color (6.93:1).
About this color
#513CDC is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.229 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Blurple (#5539CC), ΔE 0.027 away. White text reads best on it, at 6.93:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.229) |
| Temperature | cool |
| Nearest name | Blurple (#5539CC) |
| Black text | 3.02:1 |
| White text | 6.93:1 |
Values
| HEX | #513CDC |
| RGB | rgb(81, 60, 220) |
| HSL | hsl(248, 70%, 55%) |
| OKLCH | oklch(49% 0.229 279.7) |
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 #513CDC | 6.93:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #513CDC | 3.02:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #513CDC text on white | 6.93:1 | AA | Lc 83.1 | Fine for body text |
| #513CDC text on black | 3.02:1 | AA large text | Lc -18.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D1D6FF
oklch(88.5% 0.057 279.7)
-
Step 300
300
#B3BAFF
oklch(80.8% 0.098 279.5)
-
Step 400
400
#8E93FF
oklch(70.6% 0.156 279.6)
-
Step 500
500
#7673FF
oklch(63.1% 0.202 279.9)
-
Step 600
600
#614EFD
oklch(55.6% 0.247 279.6)
-
Step 700
700 (this color)
#513CDC
oklch(49% 0.229 279.7)
-
Step 800
800
#4234B2
oklch(42.7% 0.19 279.7)
-
Step 900
900
#36308D
oklch(37.7% 0.148 279.4)
-
Step 950
950
#1F1D52
oklch(26.9% 0.094 279.7)
#513CDC 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) | #0060E1 | 0.087 |
| Deuteranopia (no green cones) | #0053D9 | 0.073 |
| Tritanopia (no blue cones) | #006989 | 0.186 |
| Achromatopsia (no color) | #5A5A5A | 0.230 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513CDC
#513CDC
oklch(49% 0.229 279.7)
- #6E6100
#6E6100
oklch(49% 0.102 100.2)
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 #513CDC, closest first.
No curated palette has a color within ΔE 0.04 of #513CDC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blurple #5539CC ΔE 0.027
- Purpley Blue #5F34E7 ΔE 0.028
- Blue With A Hint Of Purple #533CC6 ΔE 0.035
- Burple #6832E3 ΔE 0.040
- Majorelle Blue #3F37C9 ΔE 0.043
- Bluey Purple #6241C7 ΔE 0.046
- Purple Blue #5D21D0 ΔE 0.047
- Warm Blue #4B57DB ΔE 0.053
Use #513CDC 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.