#538EF6#538EF6

#538EF6 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.7% C 0.167 H 260.9°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#538EF6
RGB	rgb(83, 142, 246)
HSL	hsl(218, 90%, 65%)
HSV	hsv(218, 66%, 96%)
CMYK	cmyk(66.3%, 42.3%, 0%, 3.5%)
CIE-LAB	lab(59.74, 13.47, -57.78)
CIE-LCH	lch(59.74, 59.33, 283.12°)
OKLab	oklab(65.72% -0.0265 -0.165)
OKLCH	oklch(65.72% 0.167 260.9)
XYZ	xyz(29.8689, 27.8359, 90.9697)
Luminance	0.2784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EF6 #F6BB53

analogous

#53E0F6 #538EF6 #6A53F6

triadic

#538EF6 #F6538E #8EF653

tetradic

#538EF6 #F653E0 #F6BB53 #53F66A

square

#538EF6 #F653E0 #F6BB53 #53F66A

split-complementary

#538EF6 #F66A53 #E0F653

monochromatic

#0A4EC4 #1968F3 #538EF6 #8DB4F9 #C7DAFC

Accessibility & contrast

On white

3.20

#538EF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#538EF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EF6

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EF6	#FFFFFF	#000000	##000000
##538EF6	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D98FA

Deuteranopia (green-blind)

#4289F4

Tritanopia (blue-blind)

#00A6B6

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #538ef6;
/* rgb */ color: rgb(83, 142, 246);
/* oklch */ color: oklch(65.7% 0.167 260.9);

Tailwind

colors: {
  custom: {
    50: '#93aefa',
    500: '#538ef6',
    950: '#000000',
  },
}

SCSS

$custom: #538ef6;
$custom-light: #93aefa;
$custom-dark: #000000;

JSON

{
  "hex": "#538ef6",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 246
  },
  "hsl": {
    "h": 218.282,
    "s": 90.055,
    "l": 64.51
  },
  "oklch": {
    "l": 0.65716,
    "c": 0.16709,
    "h": 260.9
  },
  "luminance": 0.27839
}

Semantic roles & 50–950 ramp

primary

#538EF6

secondary

#EFDAB6

accent

#9200E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538EF6

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

Preview Lab → · Contrast checker → · Palette generator →