#5175D5#5175D5

#5175D5 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.4% C 0.153 H 266.3°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#5175D5
RGB	rgb(81, 117, 213)
HSL	hsl(224, 61%, 58%)
HSV	hsv(224, 62%, 84%)
CMYK	cmyk(62%, 45.1%, 0%, 16.5%)
CIE-LAB	lab(51.01, 17.06, -53.31)
CIE-LCH	lch(51.01, 55.98, 287.74°)
OKLab	oklab(58.36% -0.0098 -0.1522)
OKLCH	oklch(58.36% 0.153 266.3)
XYZ	xyz(21.7607, 19.2741, 65.5114)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175D5 #D5B151

analogous

#51B7D5 #5175D5 #6F51D5

triadic

#5175D5 #D55175 #75D551

tetradic

#5175D5 #D551B7 #D5B151 #51D56F

square

#5175D5 #D551B7 #D5B151 #51D56F

split-complementary

#5175D5 #D56F51 #B7D551

monochromatic

#213E8A #2D54BC #5175D5 #829CE1 #B4C3ED

Accessibility & contrast

On white

4.33

#5175D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#5175D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175D5

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175D5	#FFFFFF	#000000	##000000
##5175D5	1.00	4.33	4.86	4.86
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4780D9

Deuteranopia (green-blind)

#3274D3

Tritanopia (blue-blind)

#008B9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5175d5;
/* rgb */ color: rgb(81, 117, 213);
/* oklch */ color: oklch(58.4% 0.153 266.3);

Tailwind

colors: {
  custom: {
    50: '#8e9ce2',
    500: '#5175d5',
    950: '#000000',
  },
}

SCSS

$custom: #5175d5;
$custom-light: #8e9ce2;
$custom-dark: #000000;

JSON

{
  "hex": "#5175d5",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 213
  },
  "hsl": {
    "h": 223.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.58362,
    "c": 0.15255,
    "h": 266.3
  },
  "luminance": 0.19276
}

Semantic roles & 50–950 ramp

primary

#5175D5

secondary

#DBCDA6

accent

#B844E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5175D5

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

Preview Lab → · Contrast checker → · Palette generator →