#538FEC#538FEC

#538FEC is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.153 H 258.9°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#538FEC
RGB	rgb(83, 143, 236)
HSL	hsl(216, 80%, 63%)
HSV	hsv(216, 65%, 93%)
CMYK	cmyk(64.8%, 39.4%, 0%, 7.5%)
CIE-LAB	lab(59.47, 9.46, -52.69)
CIE-LCH	lch(59.47, 53.54, 280.18°)
OKLab	oklab(65.33% -0.0295 -0.15)
OKLCH	oklch(65.33% 0.153 258.9)
XYZ	xyz(28.5247, 27.5373, 83.1526)
Luminance	0.2754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FEC #ECB053

analogous

#53DBEC #538FEC #6453EC

triadic

#538FEC #EC538F #8FEC53

tetradic

#538FEC #EC53DB #ECB053 #53EC64

square

#538FEC #EC53DB #ECB053 #53EC64

split-complementary

#538FEC #EC6453 #DBEC53

monochromatic

#1451B1 #1C6BE6 #538FEC #8AB3F2 #C1D7F8

Accessibility & contrast

On white

3.23

#538FEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#538FEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FEC

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FEC	#FFFFFF	#000000	##000000
##538FEC	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6597F0

Deuteranopia (green-blind)

#4E89EA

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #538fec;
/* rgb */ color: rgb(83, 143, 236);
/* oklch */ color: oklch(65.3% 0.153 258.9);

Tailwind

colors: {
  custom: {
    50: '#92aff2',
    500: '#538fec',
    950: '#000000',
  },
}

SCSS

$custom: #538fec;
$custom-light: #92aff2;
$custom-dark: #000000;

JSON

{
  "hex": "#538fec",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 236
  },
  "hsl": {
    "h": 216.471,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65329,
    "c": 0.1529,
    "h": 258.9
  },
  "luminance": 0.2754
}

Semantic roles & 50–950 ramp

primary

#538FEC

secondary

#E9D3B2

accent

#8A09DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538FEC

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

Preview Lab → · Contrast checker → · Palette generator →