#5B71BB#5B71BB

#5B71BB is a mid, moderate blue. Relative luminance 0.176; OKLCH L 56.5% C 0.118 H 269.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#5B71BB
RGB	rgb(91, 113, 187)
HSL	hsl(226, 41%, 55%)
HSV	hsv(226, 51%, 73%)
CMYK	cmyk(51.3%, 39.6%, 0%, 26.7%)
CIE-LAB	lab(49.03, 12.99, -41.55)
CIE-LCH	lch(49.03, 43.53, 287.36°)
OKLab	oklab(56.53% -0.0003 -0.1176)
OKLCH	oklch(56.53% 0.118 269.8)
XYZ	xyz(19.1862, 17.6210, 49.3943)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71BB #BBA55B

analogous

#5BA1BB #5B71BB #755BBB

triadic

#5B71BB #BB5B71 #71BB5B

tetradic

#5B71BB #BB5BA1 #BBA55B #5BBB75

square

#5B71BB #BB5BA1 #BBA55B #5BBB75

split-complementary

#5B71BB #BB755B #A1BB5B

monochromatic

#2E3C6E #405499 #5B71BB #8696CD #B2BCDF

Accessibility & contrast

On white

4.64

#5B71BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#5B71BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B71BB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71BB	#FFFFFF	#000000	##FFFFFF
##5B71BB	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5479BE

Deuteranopia (green-blind)

#4971B9

Tritanopia (blue-blind)

#30818D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5b71bb;
/* rgb */ color: rgb(91, 113, 187);
/* oklch */ color: oklch(56.5% 0.118 269.8);

Tailwind

colors: {
  custom: {
    50: '#8f99d0',
    500: '#5b71bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b71bb;
$custom-light: #8f99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71bb",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 187
  },
  "hsl": {
    "h": 226.25,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.56527,
    "c": 0.11757,
    "h": 269.8
  },
  "luminance": 0.17622
}

Semantic roles & 50–950 ramp

primary

#5B71BB

secondary

#CDC4A5

accent

#B557D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #5B71BB

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

Preview Lab → · Contrast checker → · Palette generator →