#537FE6#537FE6

#537FE6 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.6% C 0.163 H 264.7°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#537FE6
RGB	rgb(83, 127, 230)
HSL	hsl(222, 75%, 61%)
HSV	hsv(222, 64%, 90%)
CMYK	cmyk(63.9%, 44.8%, 0%, 9.8%)
CIE-LAB	lab(54.79, 17.07, -56.82)
CIE-LCH	lch(54.79, 59.33, 286.72°)
OKLab	oklab(61.61% -0.0151 -0.1623)
OKLCH	oklch(61.61% 0.163 264.7)
XYZ	xyz(25.4346, 22.7286, 77.8942)
Luminance	0.2273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FE6 #E6BA53

analogous

#53C9E6 #537FE6 #7153E6

triadic

#537FE6 #E6537F #7FE653

tetradic

#537FE6 #E653C9 #E6BA53 #53E671

square

#537FE6 #E653C9 #E6BA53 #53E671

split-complementary

#537FE6 #E67153 #C9E653

monochromatic

#1843A6 #2058DC #537FE6 #88A7EE #BECFF6

Accessibility & contrast

On white

3.79

#537FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#537FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FE6

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FE6	#FFFFFF	#000000	##000000
##537FE6	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8AEA

Deuteranopia (green-blind)

#347DE4

Tritanopia (blue-blind)

#0097A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #537fe6;
/* rgb */ color: rgb(83, 127, 230);
/* oklch */ color: oklch(61.6% 0.163 264.7);

Tailwind

colors: {
  custom: {
    50: '#91a3ee',
    500: '#537fe6',
    950: '#000000',
  },
}

SCSS

$custom: #537fe6;
$custom-light: #91a3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#537fe6",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 230
  },
  "hsl": {
    "h": 222.041,
    "s": 74.619,
    "l": 61.373
  },
  "oklch": {
    "l": 0.61612,
    "c": 0.16305,
    "h": 264.7
  },
  "luminance": 0.22731
}

Semantic roles & 50–950 ramp

primary

#537FE6

secondary

#E6D5AF

accent

#9B0FD7

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #537FE6

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

Preview Lab → · Contrast checker → · Palette generator →