#538FFA#538FFA

#538FFA is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.2% C 0.171 H 261.0°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#538FFA
RGB	rgb(83, 143, 250)
HSL	hsl(218, 94%, 65%)
HSV	hsv(218, 67%, 98%)
CMYK	cmyk(66.8%, 42.8%, 0%, 2%)
CIE-LAB	lab(60.23, 14.24, -59.20)
CIE-LCH	lch(60.23, 60.88, 283.53°)
OKLab	oklab(66.17% -0.0267 -0.1691)
OKLCH	oklch(66.17% 0.171 261)
XYZ	xyz(30.6389, 28.3830, 94.2877)
Luminance	0.2839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FFA #FABE53

analogous

#53E3FA #538FFA #6A53FA

triadic

#538FFA #FA538F #8FFA53

tetradic

#538FFA #FA53E3 #FABE53 #53FA6A

square

#538FFA #FA53E3 #FABE53 #53FA6A

split-complementary

#538FFA #FA6A53 #E3FA53

monochromatic

#064DCD #1868F8 #538FFA #8EB6FC #CADCFD

Accessibility & contrast

On white

3.15

#538FFA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#538FFA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FFA

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FFA	#FFFFFF	#000000	##000000
##538FFA	1.00	3.15	6.68	6.68
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C99FE

Deuteranopia (green-blind)

#3F8AF8

Tritanopia (blue-blind)

#00A8B8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #538ffa;
/* rgb */ color: rgb(83, 143, 250);
/* oklch */ color: oklch(66.2% 0.171 261.0);

Tailwind

colors: {
  custom: {
    50: '#94affc',
    500: '#538ffa',
    950: '#000000',
  },
}

SCSS

$custom: #538ffa;
$custom-light: #94affc;
$custom-dark: #000000;

JSON

{
  "hex": "#538ffa",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 250
  },
  "hsl": {
    "h": 218.443,
    "s": 94.35,
    "l": 65.294
  },
  "oklch": {
    "l": 0.66169,
    "c": 0.17121,
    "h": 261
  },
  "luminance": 0.28386
}

Semantic roles & 50–950 ramp

primary

#538FFA

secondary

#F1DCB8

accent

#9300E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1018

muted

#7E7F86

Preview Lab

Preview with #538FFA

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

Preview Lab → · Contrast checker → · Palette generator →