#5B71BF#5B71BF

#5B71BF is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.8% C 0.123 H 270.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5B71BF
RGB	rgb(91, 113, 191)
HSL	hsl(227, 44%, 55%)
HSV	hsv(227, 52%, 75%)
CMYK	cmyk(52.4%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(49.25, 14.27, -43.52)
CIE-LCH	lch(49.25, 45.80, 288.15°)
OKLab	oklab(56.76% 0.0005 -0.1233)
OKLCH	oklch(56.76% 0.123 270.2)
XYZ	xyz(19.6204, 17.7947, 51.6809)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71BF #BFA95B

analogous

#5BA3BF #5B71BF #775BBF

triadic

#5B71BF #BF5B71 #71BF5B

tetradic

#5B71BF #BF5BA3 #BFA95B #5BBF77

square

#5B71BF #BF5BA3 #BFA95B #5BBF77

split-complementary

#5B71BF #BF775B #A3BF5B

monochromatic

#2D3C73 #3E539F #5B71BF #8797D0 #B3BDE1

Accessibility & contrast

On white

4.61

#5B71BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#5B71BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B71BF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71BF	#FFFFFF	#000000	##FFFFFF
##5B71BF	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517AC2

Deuteranopia (green-blind)

#4671BD

Tritanopia (blue-blind)

#2C828F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5b71bf;
/* rgb */ color: rgb(91, 113, 191);
/* oklch */ color: oklch(56.8% 0.123 270.2);

Tailwind

colors: {
  custom: {
    50: '#9099d3',
    500: '#5b71bf',
    950: '#000000',
  },
}

SCSS

$custom: #5b71bf;
$custom-light: #9099d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71bf",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 226.8,
    "s": 43.86,
    "l": 55.294
  },
  "oklch": {
    "l": 0.5676,
    "c": 0.12333,
    "h": 270.2
  },
  "luminance": 0.17796
}

Semantic roles & 50–950 ramp

primary

#5B71BF

secondary

#D0C7A6

accent

#B854D4

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #5B71BF

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

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