#5B74BB#5B74BB

#5B74BB is a mid, moderate blue. Relative luminance 0.183; OKLCH L 57.2% C 0.114 H 268.0°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#5B74BB
RGB	rgb(91, 116, 187)
HSL	hsl(224, 41%, 55%)
HSV	hsv(224, 51%, 73%)
CMYK	cmyk(51.3%, 38%, 0%, 26.7%)
CIE-LAB	lab(49.86, 11.15, -40.24)
CIE-LCH	lch(49.86, 41.76, 285.49°)
OKLab	oklab(57.16% -0.0039 -0.1137)
OKLCH	oklch(57.16% 0.114 268)
XYZ	xyz(19.5265, 18.3015, 49.5077)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B74BB #BBA25B

analogous

#5BA4BB #5B74BB #725BBB

triadic

#5B74BB #BB5B74 #74BB5B

tetradic

#5B74BB #BB5BA4 #BBA25B #5BBB72

square

#5B74BB #BB5BA4 #BBA25B #5BBB72

split-complementary

#5B74BB #BB725B #A4BB5B

monochromatic

#2E3E6E #405799 #5B74BB #8699CD #B2BDDF

Accessibility & contrast

On white

4.51

#5B74BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#5B74BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B74BB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B74BB	#FFFFFF	#000000	##000000
##5B74BB	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)

#587BBE

Deuteranopia (green-blind)

#4E73B9

Tritanopia (blue-blind)

#30838E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b74bb;
/* rgb */ color: rgb(91, 116, 187);
/* oklch */ color: oklch(57.2% 0.114 268.0);

Tailwind

colors: {
  custom: {
    50: '#8f9bd0',
    500: '#5b74bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b74bb;
$custom-light: #8f9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b74bb",
  "rgb": {
    "r": 91,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 224.375,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.57164,
    "c": 0.1138,
    "h": 268
  },
  "luminance": 0.18303
}

Semantic roles & 50–950 ramp

primary

#5B74BB

secondary

#CDC3A5

accent

#B157D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5B74BB

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

Preview Lab → · Contrast checker → · Palette generator →