#5B71BC#5B71BC

#5B71BC is a mid, moderate blue. Relative luminance 0.177; OKLCH L 56.6% C 0.119 H 269.9°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5B71BC
RGB	rgb(91, 113, 188)
HSL	hsl(226, 42%, 55%)
HSV	hsv(226, 52%, 74%)
CMYK	cmyk(51.6%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(49.09, 13.31, -42.04)
CIE-LCH	lch(49.09, 44.10, 287.57°)
OKLab	oklab(56.58% -0.0001 -0.119)
OKLCH	oklch(56.58% 0.119 269.9)
XYZ	xyz(19.2937, 17.6640, 49.9600)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71BC #BCA65B

analogous

#5BA1BC #5B71BC #765BBC

triadic

#5B71BC #BC5B71 #71BC5B

tetradic

#5B71BC #BC5BA1 #BCA65B #5BBC76

square

#5B71BC #BC5BA1 #BCA65B #5BBC76

split-complementary

#5B71BC #BC765B #A1BC5B

monochromatic

#2D3C6F #3F549B #5B71BC #8697CE #B2BCE0

Accessibility & contrast

On white

4.63

#5B71BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#5B71BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B71BC

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71BC	#FFFFFF	#000000	##FFFFFF
##5B71BC	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5379BF

Deuteranopia (green-blind)

#4971BA

Tritanopia (blue-blind)

#2F818D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5b71bc;
/* rgb */ color: rgb(91, 113, 188);
/* oklch */ color: oklch(56.6% 0.119 269.9);

Tailwind

colors: {
  custom: {
    50: '#8f99d0',
    500: '#5b71bc',
    950: '#000000',
  },
}

SCSS

$custom: #5b71bc;
$custom-light: #8f99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71bc",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 226.392,
    "s": 41.991,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56584,
    "c": 0.11902,
    "h": 269.9
  },
  "luminance": 0.17665
}

Semantic roles & 50–950 ramp

primary

#5B71BC

secondary

#CEC5A5

accent

#B656D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #5B71BC

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

Preview Lab → · Contrast checker → · Palette generator →