#5B71BE#5B71BE

#5B71BE is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.7% C 0.122 H 270.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5B71BE
RGB	rgb(91, 113, 190)
HSL	hsl(227, 43%, 55%)
HSV	hsv(227, 52%, 75%)
CMYK	cmyk(52.1%, 40.5%, 0%, 25.5%)
CIE-LAB	lab(49.19, 13.95, -43.03)
CIE-LCH	lch(49.19, 45.23, 287.96°)
OKLab	oklab(56.7% 0.0003 -0.1219)
OKLCH	oklch(56.7% 0.122 270.1)
XYZ	xyz(19.5108, 17.7508, 51.1033)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71BE #BEA85B

analogous

#5BA2BE #5B71BE #775BBE

triadic

#5B71BE #BE5B71 #71BE5B

tetradic

#5B71BE #BE5BA2 #BEA85B #5BBE77

square

#5B71BE #BE5BA2 #BEA85B #5BBE77

split-complementary

#5B71BE #BE775B #A2BE5B

monochromatic

#2D3C72 #3E549D #5B71BE #8797CF #B3BDE1

Accessibility & contrast

On white

4.61

#5B71BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#5B71BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B71BE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71BE	#FFFFFF	#000000	##FFFFFF
##5B71BE	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#527AC1

Deuteranopia (green-blind)

#4771BC

Tritanopia (blue-blind)

#2D828E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5b71be;
/* rgb */ color: rgb(91, 113, 190);
/* oklch */ color: oklch(56.7% 0.122 270.1);

Tailwind

colors: {
  custom: {
    50: '#9099d2',
    500: '#5b71be',
    950: '#000000',
  },
}

SCSS

$custom: #5b71be;
$custom-light: #9099d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71be",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 190
  },
  "hsl": {
    "h": 226.667,
    "s": 43.231,
    "l": 55.098
  },
  "oklch": {
    "l": 0.56701,
    "c": 0.12189,
    "h": 270.1
  },
  "luminance": 0.17752
}

Semantic roles & 50–950 ramp

primary

#5B71BE

secondary

#CFC6A6

accent

#B755D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0D14

muted

#7E7E82

Preview Lab

Preview with #5B71BE

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

Preview Lab → · Contrast checker → · Palette generator →