#537FEA#537FEA

#537FEA is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.9% C 0.168 H 265.1°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#537FEA
RGB	rgb(83, 127, 234)
HSL	hsl(223, 78%, 62%)
HSV	hsv(223, 65%, 92%)
CMYK	cmyk(64.5%, 45.7%, 0%, 8.2%)
CIE-LAB	lab(55.03, 18.44, -58.67)
CIE-LCH	lch(55.03, 61.50, 287.44°)
OKLab	oklab(61.87% -0.0145 -0.1678)
OKLCH	oklch(61.87% 0.168 265.1)
XYZ	xyz(26.0028, 22.9558, 80.8865)
Luminance	0.2296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FEA #EABE53

analogous

#53CAEA #537FEA #7353EA

triadic

#537FEA #EA537F #7FEA53

tetradic

#537FEA #EA53CA #EABE53 #53EA73

square

#537FEA #EA53CA #EABE53 #53EA73

split-complementary

#537FEA #EA7353 #CAEA53

monochromatic

#1542AD #1C56E3 #537FEA #8AA8F1 #C0D0F7

Accessibility & contrast

On white

3.76

#537FEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#537FEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FEA

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FEA	#FFFFFF	#000000	##000000
##537FEA	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A8BEE

Deuteranopia (green-blind)

#2E7DE8

Tritanopia (blue-blind)

#0098A9

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537fea;
/* rgb */ color: rgb(83, 127, 234);
/* oklch */ color: oklch(61.9% 0.168 265.1);

Tailwind

colors: {
  custom: {
    50: '#92a3f1',
    500: '#537fea',
    950: '#000000',
  },
}

SCSS

$custom: #537fea;
$custom-light: #92a3f1;
$custom-dark: #000000;

JSON

{
  "hex": "#537fea",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 234
  },
  "hsl": {
    "h": 222.517,
    "s": 78.238,
    "l": 62.157
  },
  "oklch": {
    "l": 0.61868,
    "c": 0.16844,
    "h": 265.1
  },
  "luminance": 0.22958
}

Semantic roles & 50–950 ramp

primary

#537FEA

secondary

#E8D8B1

accent

#9E0BDB

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #537FEA

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

Preview Lab → · Contrast checker → · Palette generator →