#515FC8#515FC8

#515FC8 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.1% C 0.162 H 273.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#515FC8
RGB	rgb(81, 95, 200)
HSL	hsl(233, 52%, 55%)
HSV	hsv(233, 60%, 78%)
CMYK	cmyk(59.5%, 52.5%, 0%, 21.6%)
CIE-LAB	lab(44.38, 26.38, -56.53)
CIE-LCH	lch(44.38, 62.38, 295.02°)
OKLab	oklab(53.07% 0.0108 -0.1619)
OKLCH	oklch(53.07% 0.162 273.8)
XYZ	xyz(17.9075, 14.1025, 56.4108)
Luminance	0.1410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FC8 #C8BA51

analogous

#519BC8 #515FC8 #7E51C8

triadic

#515FC8 #C8515F #5FC851

tetradic

#515FC8 #C8519B #C8BA51 #51C87E

square

#515FC8 #C8519B #C8BA51 #51C87E

split-complementary

#515FC8 #C87E51 #9BC851

monochromatic

#263079 #3542A7 #515FC8 #808AD7 #AEB5E5

Accessibility & contrast

On white

5.50

#515FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#515FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FC8

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FC8	#FFFFFF	#000000	##FFFFFF
##515FC8	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206ECC

Deuteranopia (green-blind)

#0064C6

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515fc8;
/* rgb */ color: rgb(81, 95, 200);
/* oklch */ color: oklch(53.1% 0.162 273.8);

Tailwind

colors: {
  custom: {
    50: '#8c8cd9',
    500: '#515fc8',
    950: '#000000',
  },
}

SCSS

$custom: #515fc8;
$custom-light: #8c8cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#515fc8",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 200
  },
  "hsl": {
    "h": 232.941,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53068,
    "c": 0.16231,
    "h": 273.8
  },
  "luminance": 0.14104
}

Semantic roles & 50–950 ramp

primary

#515FC8

secondary

#D3CDA1

accent

#CB4CDB

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515FC8

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

Preview Lab → · Contrast checker → · Palette generator →