#5F73CB#5F73CB

#5F73CB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.1% C 0.137 H 271.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#5F73CB
RGB	rgb(95, 115, 203)
HSL	hsl(229, 51%, 58%)
HSV	hsv(229, 53%, 80%)
CMYK	cmyk(53.2%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(50.69, 17.78, -48.08)
CIE-LCH	lch(50.69, 51.26, 290.29°)
OKLab	oklab(58.15% 0.0045 -0.1366)
OKLCH	oklch(58.15% 0.137 271.9)
XYZ	xyz(21.6260, 19.0047, 59.0170)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F73CB #CBB75F

analogous

#5FA9CB #5F73CB #815FCB

triadic

#5F73CB #CB5F73 #73CB5F

tetradic

#5F73CB #CB5FA9 #CBB75F #5FCB81

square

#5F73CB #CB5FA9 #CBB75F #5FCB81

split-complementary

#5F73CB #CB815F #A9CB5F

monochromatic

#2B3C85 #3A50B3 #5F73CB #8D9BDA #BBC4E9

Accessibility & contrast

On white

4.37

#5F73CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#5F73CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F73CB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F73CB	#FFFFFF	#000000	##000000
##5F73CB	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7ECE

Deuteranopia (green-blind)

#4174C9

Tritanopia (blue-blind)

#2B8695

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5f73cb;
/* rgb */ color: rgb(95, 115, 203);
/* oklch */ color: oklch(58.1% 0.137 271.9);

Tailwind

colors: {
  custom: {
    50: '#949bdb',
    500: '#5f73cb',
    950: '#000000',
  },
}

SCSS

$custom: #5f73cb;
$custom-light: #949bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#5f73cb",
  "rgb": {
    "r": 95,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 228.889,
    "s": 50.943,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58148,
    "c": 0.13668,
    "h": 271.9
  },
  "luminance": 0.19006
}

Semantic roles & 50–950 ramp

primary

#5F73CB

secondary

#D8D0AD

accent

#C04DDA

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #5F73CB

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

Preview Lab → · Contrast checker → · Palette generator →