#5B75BB#5B75BB

#5B75BB is a mid, moderate blue. Relative luminance 0.185; OKLCH L 57.4% C 0.113 H 267.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#5B75BB
RGB	rgb(91, 117, 187)
HSL	hsl(224, 41%, 55%)
HSV	hsv(224, 51%, 73%)
CMYK	cmyk(51.3%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(50.14, 10.54, -39.80)
CIE-LCH	lch(50.14, 41.18, 284.83°)
OKLab	oklab(57.38% -0.0051 -0.1124)
OKLCH	oklch(57.38% 0.113 267.4)
XYZ	xyz(19.6424, 18.5333, 49.5463)
Luminance	0.1853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B75BB #BBA15B

analogous

#5BA5BB #5B75BB #715BBB

triadic

#5B75BB #BB5B75 #75BB5B

tetradic

#5B75BB #BB5BA5 #BBA15B #5BBB71

square

#5B75BB #BB5BA5 #BBA15B #5BBB71

split-complementary

#5B75BB #BB715B #A5BB5B

monochromatic

#2E3F6E #405899 #5B75BB #8699CD #B2BEDF

Accessibility & contrast

On white

4.46

#5B75BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#5B75BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B75BB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B75BB	#FFFFFF	#000000	##000000
##5B75BB	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBE

Deuteranopia (green-blind)

#4F73B9

Tritanopia (blue-blind)

#2F848F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b75bb;
/* rgb */ color: rgb(91, 117, 187);
/* oklch */ color: oklch(57.4% 0.113 267.4);

Tailwind

colors: {
  custom: {
    50: '#8f9cd0',
    500: '#5b75bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b75bb;
$custom-light: #8f9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b75bb",
  "rgb": {
    "r": 91,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 223.75,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.57378,
    "c": 0.11257,
    "h": 267.4
  },
  "luminance": 0.18535
}

Semantic roles & 50–950 ramp

primary

#5B75BB

secondary

#CDC2A5

accent

#B057D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5B75BB

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

Preview Lab → · Contrast checker → · Palette generator →