#5B79BB#5B79BB

#5B79BB is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.2% C 0.108 H 264.7°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#5B79BB
RGB	rgb(91, 121, 187)
HSL	hsl(221, 41%, 55%)
HSV	hsv(221, 51%, 73%)
CMYK	cmyk(51.3%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(51.25, 8.11, -38.05)
CIE-LCH	lch(51.25, 38.90, 282.03°)
OKLab	oklab(58.24% -0.0099 -0.1073)
OKLCH	oklch(58.24% 0.108 264.7)
XYZ	xyz(20.1184, 19.4854, 49.7050)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B79BB #BB9D5B

analogous

#5BA9BB #5B79BB #6D5BBB

triadic

#5B79BB #BB5B79 #79BB5B

tetradic

#5B79BB #BB5BA9 #BB9D5B #5BBB6D

square

#5B79BB #BB5BA9 #BB9D5B #5BBB6D

split-complementary

#5B79BB #BB6D5B #A9BB5B

monochromatic

#2E426E #405C99 #5B79BB #869CCD #B2C0DF

Accessibility & contrast

On white

4.29

#5B79BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#5B79BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B79BB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B79BB	#FFFFFF	#000000	##000000
##5B79BB	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FBE

Deuteranopia (green-blind)

#5476BA

Tritanopia (blue-blind)

#2E8791

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5b79bb;
/* rgb */ color: rgb(91, 121, 187);
/* oklch */ color: oklch(58.2% 0.108 264.7);

Tailwind

colors: {
  custom: {
    50: '#8f9fd0',
    500: '#5b79bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b79bb;
$custom-light: #8f9fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b79bb",
  "rgb": {
    "r": 91,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 221.25,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5824,
    "c": 0.10776,
    "h": 264.7
  },
  "luminance": 0.19487
}

Semantic roles & 50–950 ramp

primary

#5B79BB

secondary

#CDC1A5

accent

#AB57D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5B79BB

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

Preview Lab → · Contrast checker → · Palette generator →