#5B74CB#5B74CB

#5B74CB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.1% C 0.137 H 269.7°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#5B74CB
RGB	rgb(91, 116, 203)
HSL	hsl(227, 52%, 58%)
HSV	hsv(227, 55%, 80%)
CMYK	cmyk(55.2%, 42.9%, 0%, 20.4%)
CIE-LAB	lab(50.72, 16.30, -48.06)
CIE-LCH	lch(50.72, 50.75, 288.74°)
OKLab	oklab(58.1% -0.0007 -0.1366)
OKLCH	oklch(58.1% 0.137 269.7)
XYZ	xyz(21.3357, 19.0252, 59.0363)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B74CB #CBB25B

analogous

#5BACCB #5B74CB #7A5BCB

triadic

#5B74CB #CB5B74 #74CB5B

tetradic

#5B74CB #CB5BAC #CBB25B #5BCB7A

square

#5B74CB #CB5BAC #CBB25B #5BCB7A

split-complementary

#5B74CB #CB7A5B #ACCB5B

monochromatic

#293D82 #3853B1 #5B74CB #899BDA #B8C3E8

Accessibility & contrast

On white

4.37

#5B74CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#5B74CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B74CB

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B74CB	#FFFFFF	#000000	##000000
##5B74CB	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)

#4F7ECE

Deuteranopia (green-blind)

#4174C9

Tritanopia (blue-blind)

#1B8795

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b74cb;
/* rgb */ color: rgb(91, 116, 203);
/* oklch */ color: oklch(58.1% 0.137 269.7);

Tailwind

colors: {
  custom: {
    50: '#919bdb',
    500: '#5b74cb',
    950: '#000000',
  },
}

SCSS

$custom: #5b74cb;
$custom-light: #919bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#5b74cb",
  "rgb": {
    "r": 91,
    "g": 116,
    "b": 203
  },
  "hsl": {
    "h": 226.607,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.58102,
    "c": 0.1366,
    "h": 269.7
  },
  "luminance": 0.19027
}

Semantic roles & 50–950 ramp

primary

#5B74CB

secondary

#D7CDAA

accent

#BB4CDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5B74CB

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

Preview Lab → · Contrast checker → · Palette generator →