#5175D0#5175D0

#5175D0 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.0% C 0.146 H 265.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#5175D0
RGB	rgb(81, 117, 208)
HSL	hsl(223, 57%, 57%)
HSV	hsv(223, 61%, 82%)
CMYK	cmyk(61.1%, 43.8%, 0%, 18.4%)
CIE-LAB	lab(50.72, 15.36, -50.94)
CIE-LCH	lch(50.72, 53.20, 286.78°)
OKLab	oklab(58.05% -0.0106 -0.1452)
OKLCH	oklch(58.05% 0.146 265.8)
XYZ	xyz(21.1359, 19.0241, 62.2205)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175D0 #D0AC51

analogous

#51B5D0 #5175D0 #6D51D0

triadic

#5175D0 #D05175 #75D051

tetradic

#5175D0 #D051B5 #D0AC51 #51D06D

square

#5175D0 #D051B5 #D0AC51 #51D06D

split-complementary

#5175D0 #D06D51 #B5D051

monochromatic

#233F83 #3056B3 #5175D0 #819BDD #B1C1EA

Accessibility & contrast

On white

4.37

#5175D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#5175D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175D0

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175D0	#FFFFFF	#000000	##000000
##5175D0	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7FD3

Deuteranopia (green-blind)

#3873CE

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5175d0;
/* rgb */ color: rgb(81, 117, 208);
/* oklch */ color: oklch(58.0% 0.146 265.8);

Tailwind

colors: {
  custom: {
    50: '#8d9cdf',
    500: '#5175d0',
    950: '#000000',
  },
}

SCSS

$custom: #5175d0;
$custom-light: #8d9cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#5175d0",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 208
  },
  "hsl": {
    "h": 222.992,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.58045,
    "c": 0.14564,
    "h": 265.8
  },
  "luminance": 0.19026
}

Semantic roles & 50–950 ramp

primary

#5175D0

secondary

#D8CAA4

accent

#B547E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5175D0

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

Preview Lab → · Contrast checker → · Palette generator →