#515BC2#515BC2

#515BC2 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.159 H 275.2°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#515BC2
RGB	rgb(81, 91, 194)
HSL	hsl(235, 48%, 54%)
HSV	hsv(235, 58%, 76%)
CMYK	cmyk(58.2%, 53.1%, 0%, 23.9%)
CIE-LAB	lab(42.95, 26.89, -55.36)
CIE-LCH	lch(42.95, 61.55, 295.90°)
OKLab	oklab(51.87% 0.0145 -0.1586)
OKLCH	oklch(51.87% 0.159 275.2)
XYZ	xyz(16.8689, 13.1253, 52.6730)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BC2 #C2B851

analogous

#5194C2 #515BC2 #8051C2

triadic

#515BC2 #C2515B #5BC251

tetradic

#515BC2 #C25194 #C2B851 #51C280

square

#515BC2 #C25194 #C2B851 #51C280

split-complementary

#515BC2 #C28051 #94C251

monochromatic

#282E71 #37419E #515BC2 #7E86D2 #ACB0E2

Accessibility & contrast

On white

5.79

#515BC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#515BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BC2

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BC2	#FFFFFF	#000000	##FFFFFF
##515BC2	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6AC6

Deuteranopia (green-blind)

#0061C0

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515bc2;
/* rgb */ color: rgb(81, 91, 194);
/* oklch */ color: oklch(51.9% 0.159 275.2);

Tailwind

colors: {
  custom: {
    50: '#8c89d5',
    500: '#515bc2',
    950: '#000000',
  },
}

SCSS

$custom: #515bc2;
$custom-light: #8c89d5;
$custom-dark: #000000;

JSON

{
  "hex": "#515bc2",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 194
  },
  "hsl": {
    "h": 234.69,
    "s": 48.085,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51867,
    "c": 0.15922,
    "h": 275.2
  },
  "luminance": 0.13127
}

Semantic roles & 50–950 ramp

primary

#515BC2

secondary

#D0CB9F

accent

#CC50D8

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515BC2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →