#5370AB#5370AB

#5370AB is a mid, moderate blue. Relative luminance 0.164; OKLCH L 54.9% C 0.099 H 263.6°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#5370AB
RGB	rgb(83, 112, 171)
HSL	hsl(220, 35%, 50%)
HSV	hsv(220, 51%, 67%)
CMYK	cmyk(51.5%, 34.5%, 0%, 32.9%)
CIE-LAB	lab(47.45, 6.60, -34.79)
CIE-LCH	lch(47.45, 35.41, 280.75°)
OKLab	oklab(54.91% -0.0111 -0.098)
OKLCH	oklch(54.91% 0.099 263.6)
XYZ	xyz(16.7097, 16.3665, 40.7987)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370AB #AB8E53

analogous

#539CAB #5370AB #6253AB

triadic

#5370AB #AB5370 #70AB53

tetradic

#5370AB #AB539C #AB8E53 #53AB62

square

#5370AB #AB539C #AB8E53 #53AB62

split-complementary

#5370AB #AB6253 #9CAB53

monochromatic

#2B3A59 #3F5582 #5370AB #7C92BF #A5B4D3

Accessibility & contrast

On white

4.91

#5370AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#5370AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5370AB

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370AB	#FFFFFF	#000000	##FFFFFF
##5370AB	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5975AD

Deuteranopia (green-blind)

#4F6DAA

Tritanopia (blue-blind)

#2A7D85

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5370ab;
/* rgb */ color: rgb(83, 112, 171);
/* oklch */ color: oklch(54.9% 0.099 263.6);

Tailwind

colors: {
  custom: {
    50: '#8998c4',
    500: '#5370ab',
    950: '#000000',
  },
}

SCSS

$custom: #5370ab;
$custom-light: #8998c4;
$custom-dark: #000000;

JSON

{
  "hex": "#5370ab",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 171
  },
  "hsl": {
    "h": 220.227,
    "s": 34.646,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54909,
    "c": 0.09864,
    "h": 263.6
  },
  "luminance": 0.16368
}

Semantic roles & 50–950 ramp

primary

#5370AB

secondary

#C1B499

accent

#A75DCB

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D12

muted

#7D7E81

Preview Lab

Preview with #5370AB

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

Preview Lab → · Contrast checker → · Palette generator →