#537EEC#537EEC

#537EEC is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.8% C 0.172 H 265.6°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#537EEC
RGB	rgb(83, 126, 236)
HSL	hsl(223, 80%, 63%)
HSV	hsv(223, 65%, 93%)
CMYK	cmyk(64.8%, 46.6%, 0%, 7.5%)
CIE-LAB	lab(54.88, 19.73, -60.02)
CIE-LCH	lch(54.88, 63.18, 288.20°)
OKLab	oklab(61.8% -0.0133 -0.1718)
OKLCH	oklch(61.8% 0.172 265.6)
XYZ	xyz(26.1632, 22.8144, 82.3654)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EEC #ECC153

analogous

#53CBEC #537EEC #7453EC

triadic

#537EEC #EC537E #7EEC53

tetradic

#537EEC #EC53CB #ECC153 #53EC74

square

#537EEC #EC53CB #ECC153 #53EC74

split-complementary

#537EEC #EC7453 #CBEC53

monochromatic

#1440B1 #1C55E6 #537EEC #8AA7F2 #C1D1F8

Accessibility & contrast

On white

3.77

#537EEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#537EEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EEC

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EEC	#FFFFFF	#000000	##000000
##537EEC	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468BF0

Deuteranopia (green-blind)

#277DEA

Tritanopia (blue-blind)

#0097AA

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #537eec;
/* rgb */ color: rgb(83, 126, 236);
/* oklch */ color: oklch(61.8% 0.172 265.6);

Tailwind

colors: {
  custom: {
    50: '#92a2f3',
    500: '#537eec',
    950: '#000000',
  },
}

SCSS

$custom: #537eec;
$custom-light: #92a2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#537eec",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 236
  },
  "hsl": {
    "h": 223.137,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.61795,
    "c": 0.1723,
    "h": 265.6
  },
  "luminance": 0.22817
}

Semantic roles & 50–950 ramp

primary

#537EEC

secondary

#E9DAB2

accent

#A109DC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537EEC

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

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