#537FEC#537FEC

#537FEC is a mid, vivid blue. Relative luminance 0.231; OKLCH L 62.0% C 0.171 H 265.2°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#537FEC
RGB	rgb(83, 127, 236)
HSL	hsl(223, 80%, 63%)
HSV	hsv(223, 65%, 93%)
CMYK	cmyk(64.8%, 46.2%, 0%, 7.5%)
CIE-LAB	lab(55.15, 19.12, -59.60)
CIE-LCH	lch(55.15, 62.59, 287.79°)
OKLab	oklab(62% -0.0142 -0.1705)
OKLCH	oklch(62% 0.171 265.2)
XYZ	xyz(26.2917, 23.0714, 82.4083)
Luminance	0.2307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FEC #ECC053

analogous

#53CCEC #537FEC #7353EC

triadic

#537FEC #EC537F #7FEC53

tetradic

#537FEC #EC53CC #ECC053 #53EC73

square

#537FEC #EC53CC #ECC053 #53EC73

split-complementary

#537FEC #EC7353 #CCEC53

monochromatic

#1441B1 #1C56E6 #537FEC #8AA8F2 #C1D1F8

Accessibility & contrast

On white

3.74

#537FEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#537FEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FEC

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FEC	#FFFFFF	#000000	##000000
##537FEC	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#488BF0

Deuteranopia (green-blind)

#2A7DEA

Tritanopia (blue-blind)

#0098AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537fec;
/* rgb */ color: rgb(83, 127, 236);
/* oklch */ color: oklch(62.0% 0.171 265.2);

Tailwind

colors: {
  custom: {
    50: '#92a3f3',
    500: '#537fec',
    950: '#000000',
  },
}

SCSS

$custom: #537fec;
$custom-light: #92a3f3;
$custom-dark: #000000;

JSON

{
  "hex": "#537fec",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 236
  },
  "hsl": {
    "h": 222.745,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.61998,
    "c": 0.17112,
    "h": 265.2
  },
  "luminance": 0.23074
}

Semantic roles & 50–950 ramp

primary

#537FEC

secondary

#E9D9B2

accent

#A009DC

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #537FEC

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

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