#5371CF#5371CF

#5371CF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.149 H 268.2°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5371CF
RGB	rgb(83, 113, 207)
HSL	hsl(225, 56%, 57%)
HSV	hsv(225, 60%, 81%)
CMYK	cmyk(59.9%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(49.68, 17.87, -52.02)
CIE-LCH	lch(49.68, 55.00, 288.96°)
OKLab	oklab(57.26% -0.0048 -0.1484)
OKLCH	oklch(57.26% 0.149 268.2)
XYZ	xyz(20.7311, 18.1525, 61.4307)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371CF #CFB153

analogous

#53AFCF #5371CF #7353CF

triadic

#5371CF #CF5371 #71CF53

tetradic

#5371CF #CF53AF #CFB153 #53CF73

square

#5371CF #CF53AF #CFB153 #53CF73

split-complementary

#5371CF #CF7353 #AFCF53

monochromatic

#253B83 #3251B3 #5371CF #8399DC #B3C0EA

Accessibility & contrast

On white

4.53

#5371CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#5371CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5371CF

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371CF	#FFFFFF	#000000	##000000
##5371CF	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457CD3

Deuteranopia (green-blind)

#3271CD

Tritanopia (blue-blind)

#008696

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5371cf;
/* rgb */ color: rgb(83, 113, 207);
/* oklch */ color: oklch(57.3% 0.149 268.2);

Tailwind

colors: {
  custom: {
    50: '#8e99de',
    500: '#5371cf',
    950: '#000000',
  },
}

SCSS

$custom: #5371cf;
$custom-light: #8e99de;
$custom-dark: #000000;

JSON

{
  "hex": "#5371cf",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 225.484,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.57262,
    "c": 0.14851,
    "h": 268.2
  },
  "luminance": 0.18154
}

Semantic roles & 50–950 ramp

primary

#5371CF

secondary

#D8CCA6

accent

#BB48E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5371CF

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

Preview Lab → · Contrast checker → · Palette generator →