#538FED#538FED

#538FED is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.4% C 0.154 H 259.1°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#538FED
RGB	rgb(83, 143, 237)
HSL	hsl(217, 81%, 63%)
HSV	hsv(217, 65%, 93%)
CMYK	cmyk(65%, 39.7%, 0%, 7.1%)
CIE-LAB	lab(59.52, 9.80, -53.16)
CIE-LCH	lch(59.52, 54.06, 280.45°)
OKLab	oklab(65.39% -0.0293 -0.1514)
OKLCH	oklch(65.39% 0.154 259.1)
XYZ	xyz(28.6703, 27.5955, 83.9199)
Luminance	0.2760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FED #EDB153

analogous

#53DCED #538FED #6453ED

triadic

#538FED #ED538F #8FED53

tetradic

#538FED #ED53DC #EDB153 #53ED64

square

#538FED #ED53DC #EDB153 #53ED64

split-complementary

#538FED #ED6453 #DCED53

monochromatic

#1351B3 #1C6BE7 #538FED #8AB3F3 #C2D7F9

Accessibility & contrast

On white

3.22

#538FED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#538FED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FED

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FED	#FFFFFF	#000000	##000000
##538FED	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6597F1

Deuteranopia (green-blind)

#4D89EB

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #538fed;
/* rgb */ color: rgb(83, 143, 237);
/* oklch */ color: oklch(65.4% 0.154 259.1);

Tailwind

colors: {
  custom: {
    50: '#92aff3',
    500: '#538fed',
    950: '#000000',
  },
}

SCSS

$custom: #538fed;
$custom-light: #92aff3;
$custom-dark: #000000;

JSON

{
  "hex": "#538fed",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 237
  },
  "hsl": {
    "h": 216.623,
    "s": 81.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65388,
    "c": 0.1542,
    "h": 259.1
  },
  "luminance": 0.27598
}

Semantic roles & 50–950 ramp

primary

#538FED

secondary

#EAD4B2

accent

#8A08DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538FED

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

Preview Lab → · Contrast checker → · Palette generator →