#538BEE#538BEE

#538BEE is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.6% C 0.160 H 260.9°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#538BEE
RGB	rgb(83, 139, 238)
HSL	hsl(218, 82%, 63%)
HSV	hsv(218, 65%, 93%)
CMYK	cmyk(65.1%, 41.6%, 0%, 6.7%)
CIE-LAB	lab(58.48, 12.53, -55.37)
CIE-LCH	lch(58.48, 56.77, 282.76°)
OKLab	oklab(64.6% -0.0252 -0.1579)
OKLCH	oklch(64.6% 0.16 260.9)
XYZ	xyz(28.2270, 26.4745, 84.4949)
Luminance	0.2648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BEE #EEB653

analogous

#53D8EE #538BEE #6953EE

triadic

#538BEE #EE538B #8BEE53

tetradic

#538BEE #EE53D8 #EEB653 #53EE69

square

#538BEE #EE53D8 #EEB653 #53EE69

split-complementary

#538BEE #EE6953 #D8EE53

monochromatic

#124DB5 #1B65E8 #538BEE #8BB1F4 #C2D6F9

Accessibility & contrast

On white

3.34

#538BEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#538BEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BEE

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BEE	#FFFFFF	#000000	##000000
##538BEE	1.00	3.34	6.30	6.30
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D94F2

Deuteranopia (green-blind)

#4586EC

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538bee;
/* rgb */ color: rgb(83, 139, 238);
/* oklch */ color: oklch(64.6% 0.160 260.9);

Tailwind

colors: {
  custom: {
    50: '#92acf4',
    500: '#538bee',
    950: '#000000',
  },
}

SCSS

$custom: #538bee;
$custom-light: #92acf4;
$custom-dark: #000000;

JSON

{
  "hex": "#538bee",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 238
  },
  "hsl": {
    "h": 218.323,
    "s": 82.011,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64603,
    "c": 0.15992,
    "h": 260.9
  },
  "luminance": 0.26477
}

Semantic roles & 50–950 ramp

primary

#538BEE

secondary

#EAD6B2

accent

#9107DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538BEE

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

Preview Lab → · Contrast checker → · Palette generator →