#515EC2#515EC2

#515EC2 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.4% C 0.155 H 274.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#515EC2
RGB	rgb(81, 94, 194)
HSL	hsl(233, 48%, 54%)
HSV	hsv(233, 58%, 76%)
CMYK	cmyk(58.2%, 51.5%, 0%, 23.9%)
CIE-LAB	lab(43.72, 25.00, -54.12)
CIE-LCH	lch(43.72, 59.61, 294.79°)
OKLab	oklab(52.45% 0.0114 -0.1549)
OKLCH	oklch(52.45% 0.155 274.2)
XYZ	xyz(17.1305, 13.6485, 52.7602)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EC2 #C2B551

analogous

#5197C2 #515EC2 #7D51C2

triadic

#515EC2 #C2515E #5EC251

tetradic

#515EC2 #C25197 #C2B551 #51C27D

square

#515EC2 #C25197 #C2B551 #51C27D

split-complementary

#515EC2 #C27D51 #97C251

monochromatic

#283071 #37439E #515EC2 #7E88D2 #ACB2E2

Accessibility & contrast

On white

5.63

#515EC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#515EC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EC2

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EC2	#FFFFFF	#000000	##FFFFFF
##515EC2	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266CC6

Deuteranopia (green-blind)

#0C63C0

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515ec2;
/* rgb */ color: rgb(81, 94, 194);
/* oklch */ color: oklch(52.4% 0.155 274.2);

Tailwind

colors: {
  custom: {
    50: '#8b8bd5',
    500: '#515ec2',
    950: '#000000',
  },
}

SCSS

$custom: #515ec2;
$custom-light: #8b8bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#515ec2",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 194
  },
  "hsl": {
    "h": 233.097,
    "s": 48.085,
    "l": 53.922
  },
  "oklch": {
    "l": 0.52448,
    "c": 0.15528,
    "h": 274.2
  },
  "luminance": 0.1365
}

Semantic roles & 50–950 ramp

primary

#515EC2

secondary

#D0CA9F

accent

#C850D8

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #515EC2

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

Preview Lab → · Contrast checker → · Palette generator →