#5B76BB#5B76BB

#5B76BB is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.6% C 0.111 H 266.7°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B76BB
RGB	rgb(91, 118, 187)
HSL	hsl(223, 41%, 55%)
HSV	hsv(223, 51%, 73%)
CMYK	cmyk(51.3%, 36.9%, 0%, 26.7%)
CIE-LAB	lab(50.41, 9.93, -39.37)
CIE-LCH	lch(50.41, 40.60, 284.16°)
OKLab	oklab(57.59% -0.0063 -0.1112)
OKLCH	oklch(57.59% 0.111 266.7)
XYZ	xyz(19.7595, 18.7675, 49.5853)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B76BB #BBA05B

analogous

#5BA6BB #5B76BB #705BBB

triadic

#5B76BB #BB5B76 #76BB5B

tetradic

#5B76BB #BB5BA6 #BBA05B #5BBB70

square

#5B76BB #BB5BA6 #BBA05B #5BBB70

split-complementary

#5B76BB #BB705B #A6BB5B

monochromatic

#2E406E #405999 #5B76BB #869ACD #B2BEDF

Accessibility & contrast

On white

4.42

#5B76BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5B76BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B76BB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B76BB	#FFFFFF	#000000	##000000
##5B76BB	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBE

Deuteranopia (green-blind)

#5074B9

Tritanopia (blue-blind)

#2F858F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b76bb;
/* rgb */ color: rgb(91, 118, 187);
/* oklch */ color: oklch(57.6% 0.111 266.7);

Tailwind

colors: {
  custom: {
    50: '#8f9dd0',
    500: '#5b76bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b76bb;
$custom-light: #8f9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b76bb",
  "rgb": {
    "r": 91,
    "g": 118,
    "b": 187
  },
  "hsl": {
    "h": 223.125,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.57592,
    "c": 0.11134,
    "h": 266.7
  },
  "luminance": 0.18769
}

Semantic roles & 50–950 ramp

primary

#5B76BB

secondary

#CDC2A5

accent

#AF57D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5B76BB

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

Preview Lab → · Contrast checker → · Palette generator →