#5175DB#5175DB

#5175DB is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.8% C 0.161 H 266.8°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5175DB
RGB	rgb(81, 117, 219)
HSL	hsl(224, 66%, 59%)
HSV	hsv(224, 63%, 86%)
CMYK	cmyk(63%, 46.6%, 0%, 14.1%)
CIE-LAB	lab(51.36, 19.11, -56.14)
CIE-LCH	lch(51.36, 59.30, 288.80°)
OKLab	oklab(58.75% -0.0089 -0.1605)
OKLCH	oklch(58.75% 0.161 266.8)
XYZ	xyz(22.5364, 19.5844, 69.5966)
Luminance	0.1959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5175DB #DBB751

analogous

#51BADB #5175DB #7251DB

triadic

#5175DB #DB5175 #75DB51

tetradic

#5175DB #DB51BA #DBB751 #51DB72

square

#5175DB #DB51BA #DBB751 #51DB72

split-complementary

#5175DB #DB7251 #BADB51

monochromatic

#1E3D93 #2952C6 #5175DB #849DE5 #B6C5F0

Accessibility & contrast

On white

4.27

#5175DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#5175DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5175DB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5175DB	#FFFFFF	#000000	##000000
##5175DB	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4281DF

Deuteranopia (green-blind)

#2974D9

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5175db;
/* rgb */ color: rgb(81, 117, 219);
/* oklch */ color: oklch(58.8% 0.161 266.8);

Tailwind

colors: {
  custom: {
    50: '#8e9ce7',
    500: '#5175db',
    950: '#000000',
  },
}

SCSS

$custom: #5175db;
$custom-light: #8e9ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#5175db",
  "rgb": {
    "r": 81,
    "g": 117,
    "b": 219
  },
  "hsl": {
    "h": 224.348,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.58751,
    "c": 0.16077,
    "h": 266.8
  },
  "luminance": 0.19586
}

Semantic roles & 50–950 ramp

primary

#5175DB

secondary

#DFD1A9

accent

#BC3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5175DB

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

Preview Lab → · Contrast checker → · Palette generator →