#537EFF#537EFF

#537EFF is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.1% C 0.197 H 266.8°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#537EFF
RGB	rgb(83, 126, 255)
HSL	hsl(225, 100%, 66%)
HSV	hsv(225, 67%, 100%)
CMYK	cmyk(67.5%, 50.6%, 0%, 0%)
CIE-LAB	lab(56.07, 26.26, -68.64)
CIE-LCH	lch(56.07, 73.49, 290.93°)
OKLab	oklab(63.08% -0.0111 -0.1971)
OKLCH	oklch(63.08% 0.197 266.8)
XYZ	xyz(29.0719, 23.9778, 97.6844)
Luminance	0.2398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EFF #FFD453

analogous

#53D4FF #537EFF #7E53FF

triadic

#537EFF #FF537E #7EFF53

tetradic

#537EFF #FF53D4 #FFD453 #53FF7E

square

#537EFF #FF53D4 #FFD453 #53FF7E

split-complementary

#537EFF #FF7E53 #D4FF53

monochromatic

#0036D8 #1650FF #537EFF #90ACFF #CDDAFF

Accessibility & contrast

On white

3.62

#537EFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#537EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EFF

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EFF	#FFFFFF	#000000	##000000
##537EFF	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F8FFF

Deuteranopia (green-blind)

#007FFC

Tritanopia (blue-blind)

#009DB3

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #537eff;
/* rgb */ color: rgb(83, 126, 255);
/* oklch */ color: oklch(63.1% 0.197 266.8);

Tailwind

colors: {
  custom: {
    50: '#95a2ff',
    500: '#537eff',
    950: '#000000',
  },
}

SCSS

$custom: #537eff;
$custom-light: #95a2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#537eff",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 255
  },
  "hsl": {
    "h": 225,
    "s": 100,
    "l": 66.275
  },
  "oklch": {
    "l": 0.63077,
    "c": 0.19746,
    "h": 266.8
  },
  "luminance": 0.23981
}

Semantic roles & 50–950 ramp

primary

#537EFF

secondary

#F3E5BB

accent

#AC00E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0F18

muted

#7F7E86

Preview Lab

Preview with #537EFF

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

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