#5371DB#5371DB

#5371DB is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.1% C 0.165 H 268.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5371DB
RGB	rgb(83, 113, 219)
HSL	hsl(227, 65%, 59%)
HSV	hsv(227, 62%, 86%)
CMYK	cmyk(62.1%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(50.41, 21.93, -57.67)
CIE-LCH	lch(50.41, 61.70, 290.83°)
OKLab	oklab(58.05% -0.0031 -0.165)
OKLCH	oklch(58.05% 0.165 268.9)
XYZ	xyz(22.2543, 18.7618, 69.4527)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371DB #DBBD53

analogous

#53B5DB #5371DB #7953DB

triadic

#5371DB #DB5371 #71DB53

tetradic

#5371DB #DB53B5 #DBBD53 #53DB79

square

#5371DB #DB53B5 #DBBD53 #53DB79

split-complementary

#5371DB #DB7953 #B5DB53

monochromatic

#1F3995 #2A4CC7 #5371DB #869BE6 #B8C5F0

Accessibility & contrast

On white

4.42

#5371DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5371DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5371DB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371DB	#FFFFFF	#000000	##000000
##5371DB	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7EDF

Deuteranopia (green-blind)

#1D72D9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5371db;
/* rgb */ color: rgb(83, 113, 219);
/* oklch */ color: oklch(58.1% 0.165 268.9);

Tailwind

colors: {
  custom: {
    50: '#9099e7',
    500: '#5371db',
    950: '#000000',
  },
}

SCSS

$custom: #5371db;
$custom-light: #9099e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5371db",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 226.765,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.5805,
    "c": 0.16507,
    "h": 268.9
  },
  "luminance": 0.18764
}

Semantic roles & 50–950 ramp

primary

#5371DB

secondary

#DFD4AA

accent

#C33FE8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5371DB

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

Preview Lab → · Contrast checker → · Palette generator →