#5370B2#5370B2

#5370B2 is a mid, moderate blue. Relative luminance 0.166; OKLCH L 55.3% C 0.109 H 265.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#5370B2
RGB	rgb(83, 112, 178)
HSL	hsl(222, 38%, 51%)
HSV	hsv(222, 53%, 70%)
CMYK	cmyk(53.4%, 37.1%, 0%, 30.2%)
CIE-LAB	lab(47.80, 8.86, -38.31)
CIE-LCH	lch(47.80, 39.32, 283.02°)
OKLab	oklab(55.3% -0.0093 -0.1083)
OKLCH	oklch(55.3% 0.109 265.1)
XYZ	xyz(17.3946, 16.6404, 44.4062)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370B2 #B29553

analogous

#539FB2 #5370B2 #6553B2

triadic

#5370B2 #B25370 #70B253

tetradic

#5370B2 #B2539F #B29553 #53B265

square

#5370B2 #B2539F #B29553 #53B265

split-complementary

#5370B2 #B26553 #9FB253

monochromatic

#2B3B60 #3E558A #5370B2 #7D93C5 #A8B6D8

Accessibility & contrast

On white

4.85

#5370B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#5370B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5370B2

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370B2	#FFFFFF	#000000	##FFFFFF
##5370B2	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5676B5

Deuteranopia (green-blind)

#4B6DB1

Tritanopia (blue-blind)

#237E88

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5370b2;
/* rgb */ color: rgb(83, 112, 178);
/* oklch */ color: oklch(55.3% 0.109 265.1);

Tailwind

colors: {
  custom: {
    50: '#8a98c9',
    500: '#5370b2',
    950: '#000000',
  },
}

SCSS

$custom: #5370b2;
$custom-light: #8a98c9;
$custom-dark: #000000;

JSON

{
  "hex": "#5370b2",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 178
  },
  "hsl": {
    "h": 221.684,
    "s": 38.153,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55297,
    "c": 0.10868,
    "h": 265.1
  },
  "luminance": 0.16642
}

Semantic roles & 50–950 ramp

primary

#5370B2

secondary

#C5B99B

accent

#AB5ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #5370B2

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

Preview Lab → · Contrast checker → · Palette generator →