#5F73BB#5F73BB

#5F73BB is a mid, moderate blue. Relative luminance 0.183; OKLCH L 57.2% C 0.114 H 270.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#5F73BB
RGB	rgb(95, 115, 187)
HSL	hsl(227, 40%, 55%)
HSV	hsv(227, 49%, 73%)
CMYK	cmyk(49.2%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(49.84, 12.71, -40.26)
CIE-LCH	lch(49.84, 42.22, 287.52°)
OKLab	oklab(57.21% 0.0014 -0.1137)
OKLCH	oklch(57.21% 0.114 270.7)
XYZ	xyz(19.8168, 18.2810, 49.4884)
Luminance	0.1828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F73BB #BBA75F

analogous

#5FA1BB #5F73BB #795FBB

triadic

#5F73BB #BB5F73 #73BB5F

tetradic

#5F73BB #BB5FA1 #BBA75F #5FBB79

square

#5F73BB #BB5FA1 #BBA75F #5FBB79

split-complementary

#5F73BB #BB795F #A1BB5F

monochromatic

#303E70 #42559B #5F73BB #8A99CD #B5BEE0

Accessibility & contrast

On white

4.51

#5F73BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#5F73BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F73BB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F73BB	#FFFFFF	#000000	##000000
##5F73BB	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577BBE

Deuteranopia (green-blind)

#4E73B9

Tritanopia (blue-blind)

#3A828E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5f73bb;
/* rgb */ color: rgb(95, 115, 187);
/* oklch */ color: oklch(57.2% 0.114 270.7);

Tailwind

colors: {
  custom: {
    50: '#929bd0',
    500: '#5f73bb',
    950: '#000000',
  },
}

SCSS

$custom: #5f73bb;
$custom-light: #929bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5f73bb",
  "rgb": {
    "r": 95,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 226.957,
    "s": 40.351,
    "l": 55.294
  },
  "oklch": {
    "l": 0.5721,
    "c": 0.11374,
    "h": 270.7
  },
  "luminance": 0.18282
}

Semantic roles & 50–950 ramp

primary

#5F73BB

secondary

#CEC6A8

accent

#B658D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5F73BB

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

Preview Lab → · Contrast checker → · Palette generator →