#537DE7#537DE7

#537DE7 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.3% C 0.167 H 265.5°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#537DE7
RGB	rgb(83, 125, 231)
HSL	hsl(223, 76%, 62%)
HSV	hsv(223, 64%, 91%)
CMYK	cmyk(64.1%, 45.9%, 0%, 9.4%)
CIE-LAB	lab(54.32, 18.63, -58.14)
CIE-LCH	lch(54.32, 61.05, 287.77°)
OKLab	oklab(61.27% -0.0131 -0.1663)
OKLCH	oklch(61.27% 0.167 265.5)
XYZ	xyz(25.3197, 22.2734, 78.5507)
Luminance	0.2228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DE7 #E7BD53

analogous

#53C7E7 #537DE7 #7353E7

triadic

#537DE7 #E7537D #7DE753

tetradic

#537DE7 #E753C7 #E7BD53 #53E773

square

#537DE7 #E753C7 #E7BD53 #53E773

split-complementary

#537DE7 #E77353 #C7E753

monochromatic

#1741A8 #1F55DE #537DE7 #89A6EE #BECEF6

Accessibility & contrast

On white

3.85

#537DE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#537DE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DE7

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DE7	#FFFFFF	#000000	##000000
##537DE7	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4889EB

Deuteranopia (green-blind)

#2D7CE5

Tritanopia (blue-blind)

#0095A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537de7;
/* rgb */ color: rgb(83, 125, 231);
/* oklch */ color: oklch(61.3% 0.167 265.5);

Tailwind

colors: {
  custom: {
    50: '#91a2ef',
    500: '#537de7',
    950: '#000000',
  },
}

SCSS

$custom: #537de7;
$custom-light: #91a2ef;
$custom-dark: #000000;

JSON

{
  "hex": "#537de7",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 231
  },
  "hsl": {
    "h": 222.973,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.61267,
    "c": 0.16678,
    "h": 265.5
  },
  "luminance": 0.22276
}

Semantic roles & 50–950 ramp

primary

#537DE7

secondary

#E6D7AF

accent

#9E0ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #537DE7

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

Preview Lab → · Contrast checker → · Palette generator →