#5371DD#5371DD

#5371DD is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.2% C 0.168 H 269.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5371DD
RGB	rgb(83, 113, 221)
HSL	hsl(227, 67%, 60%)
HSV	hsv(227, 62%, 87%)
CMYK	cmyk(62.4%, 48.9%, 0%, 13.3%)
CIE-LAB	lab(50.53, 22.61, -58.60)
CIE-LCH	lch(50.53, 62.81, 291.10°)
OKLab	oklab(58.18% -0.0029 -0.1678)
OKLCH	oklch(58.18% 0.168 269)
XYZ	xyz(22.5191, 18.8677, 70.8477)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371DD #DDBF53

analogous

#53B6DD #5371DD #7A53DD

triadic

#5371DD #DD5371 #71DD53

tetradic

#5371DD #DD53B6 #DDBF53 #53DD7A

square

#5371DD #DD53B6 #DDBF53 #53DD7A

split-complementary

#5371DD #DD7A53 #B6DD53

monochromatic

#1E3898 #284BCB #5371DD #869BE7 #B9C5F1

Accessibility & contrast

On white

4.40

#5371DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#5371DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5371DD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371DD	#FFFFFF	#000000	##000000
##5371DD	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377FE1

Deuteranopia (green-blind)

#1872DB

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5371dd;
/* rgb */ color: rgb(83, 113, 221);
/* oklch */ color: oklch(58.2% 0.168 269.0);

Tailwind

colors: {
  custom: {
    50: '#9099e8',
    500: '#5371dd',
    950: '#000000',
  },
}

SCSS

$custom: #5371dd;
$custom-light: #9099e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5371dd",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 221
  },
  "hsl": {
    "h": 226.957,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58185,
    "c": 0.1678,
    "h": 269
  },
  "luminance": 0.1887
}

Semantic roles & 50–950 ramp

primary

#5371DD

secondary

#E1D5AB

accent

#C53EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5371DD

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

Preview Lab → · Contrast checker → · Palette generator →