#515FCA#515FCA

#515FCA is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.2% C 0.165 H 273.8°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#515FCA
RGB	rgb(81, 95, 202)
HSL	hsl(233, 53%, 55%)
HSV	hsv(233, 60%, 79%)
CMYK	cmyk(59.9%, 53%, 0%, 20.8%)
CIE-LAB	lab(44.51, 27.05, -57.47)
CIE-LCH	lch(44.51, 63.52, 295.21°)
OKLab	oklab(53.21% 0.0109 -0.1647)
OKLCH	oklch(53.21% 0.165 273.8)
XYZ	xyz(18.1427, 14.1966, 57.6498)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FCA #CABC51

analogous

#519BCA #515FCA #7F51CA

triadic

#515FCA #CA515F #5FCA51

tetradic

#515FCA #CA519B #CABC51 #51CA7F

square

#515FCA #CA519B #CABC51 #51CA7F

split-complementary

#515FCA #CA7F51 #9BCA51

monochromatic

#252F7B #3441AA #515FCA #808AD8 #AFB5E7

Accessibility & contrast

On white

5.47

#515FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#515FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FCA

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FCA	#FFFFFF	#000000	##FFFFFF
##515FCA	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6FCE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515fca;
/* rgb */ color: rgb(81, 95, 202);
/* oklch */ color: oklch(53.2% 0.165 273.8);

Tailwind

colors: {
  custom: {
    50: '#8d8cdb',
    500: '#515fca',
    950: '#000000',
  },
}

SCSS

$custom: #515fca;
$custom-light: #8d8cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#515fca",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 202
  },
  "hsl": {
    "h": 233.058,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.53212,
    "c": 0.16506,
    "h": 273.8
  },
  "luminance": 0.14198
}

Semantic roles & 50–950 ramp

primary

#515FCA

secondary

#D5CFA2

accent

#CC4BDD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515FCA

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

Preview Lab → · Contrast checker → · Palette generator →