#5370CB#5370CB

#5370CB is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.8% C 0.144 H 268.3°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#5370CB
RGB	rgb(83, 112, 203)
HSL	hsl(226, 54%, 56%)
HSV	hsv(226, 59%, 80%)
CMYK	cmyk(59.1%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(49.18, 17.14, -50.54)
CIE-LCH	lch(49.18, 53.37, 288.74°)
OKLab	oklab(56.8% -0.0043 -0.1441)
OKLCH	oklch(56.8% 0.144 268.3)
XYZ	xyz(20.1373, 17.7375, 58.8508)
Luminance	0.1774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370CB #CBAE53

analogous

#53ACCB #5370CB #7253CB

triadic

#5370CB #CB5370 #70CB53

tetradic

#5370CB #CB53AC #CBAE53 #53CB72

square

#5370CB #CB53AC #CBAE53 #53CB72

split-complementary

#5370CB #CB7253 #ACCB53

monochromatic

#263B7E #3451AD #5370CB #8297D9 #B1BEE7

Accessibility & contrast

On white

4.62

#5370CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#5370CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5370CB

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370CB	#FFFFFF	#000000	##FFFFFF
##5370CB	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCE

Deuteranopia (green-blind)

#3570C9

Tritanopia (blue-blind)

#008493

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5370cb;
/* rgb */ color: rgb(83, 112, 203);
/* oklch */ color: oklch(56.8% 0.144 268.3);

Tailwind

colors: {
  custom: {
    50: '#8d98db',
    500: '#5370cb',
    950: '#000000',
  },
}

SCSS

$custom: #5370cb;
$custom-light: #8d98db;
$custom-dark: #000000;

JSON

{
  "hex": "#5370cb",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 225.5,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.568,
    "c": 0.14417,
    "h": 268.3
  },
  "luminance": 0.17739
}

Semantic roles & 50–950 ramp

primary

#5370CB

secondary

#D6CAA4

accent

#BA4BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5370CB

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

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