#538FF3#538FF3

#538FF3 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.7% C 0.162 H 260.0°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#538FF3
RGB	rgb(83, 143, 243)
HSL	hsl(218, 87%, 64%)
HSV	hsv(218, 66%, 95%)
CMYK	cmyk(65.8%, 41.2%, 0%, 4.7%)
CIE-LAB	lab(59.85, 11.85, -55.96)
CIE-LCH	lch(59.85, 57.20, 281.95°)
OKLab	oklab(65.74% -0.028 -0.1596)
OKLCH	oklch(65.74% 0.162 260)
XYZ	xyz(29.5616, 27.9521, 88.6140)
Luminance	0.2796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FF3 #F3B753

analogous

#53DFF3 #538FF3 #6753F3

triadic

#538FF3 #F3538F #8FF353

tetradic

#538FF3 #F353DF #F3B753 #53F367

square

#538FF3 #F353DF #F3B753 #53F367

split-complementary

#538FF3 #F36753 #DFF353

monochromatic

#0D50BE #1A6AEF #538FF3 #8CB4F7 #C5DAFB

Accessibility & contrast

On white

3.19

#538FF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#538FF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FF3

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FF3	#FFFFFF	#000000	##000000
##538FF3	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6198F7

Deuteranopia (green-blind)

#4789F1

Tritanopia (blue-blind)

#00A6B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #538ff3;
/* rgb */ color: rgb(83, 143, 243);
/* oklch */ color: oklch(65.7% 0.162 260.0);

Tailwind

colors: {
  custom: {
    50: '#93aff7',
    500: '#538ff3',
    950: '#000000',
  },
}

SCSS

$custom: #538ff3;
$custom-light: #93aff7;
$custom-dark: #000000;

JSON

{
  "hex": "#538ff3",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 243
  },
  "hsl": {
    "h": 217.5,
    "s": 86.957,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65744,
    "c": 0.16205,
    "h": 260
  },
  "luminance": 0.27955
}

Semantic roles & 50–950 ramp

primary

#538FF3

secondary

#EDD8B5

accent

#8F02E4

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538FF3

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

Preview Lab → · Contrast checker → · Palette generator →