#538BEB#538BEB

#538BEB is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.156 H 260.5°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#538BEB
RGB	rgb(83, 139, 235)
HSL	hsl(218, 79%, 62%)
HSV	hsv(218, 65%, 92%)
CMYK	cmyk(64.7%, 40.9%, 0%, 7.8%)
CIE-LAB	lab(58.32, 11.51, -53.97)
CIE-LCH	lch(58.32, 55.18, 282.04°)
OKLab	oklab(64.42% -0.0258 -0.1538)
OKLCH	oklch(64.42% 0.156 260.5)
XYZ	xyz(27.7900, 26.2997, 82.1930)
Luminance	0.2630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BEB #EBB353

analogous

#53D7EB #538BEB #6753EB

triadic

#538BEB #EB538B #8BEB53

tetradic

#538BEB #EB53D7 #EBB353 #53EB67

square

#538BEB #EB53D7 #EBB353 #53EB67

split-complementary

#538BEB #EB6753 #D7EB53

monochromatic

#144DAF #1C66E5 #538BEB #8AB0F1 #C1D5F8

Accessibility & contrast

On white

3.35

#538BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#538BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BEB

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BEB	#FFFFFF	#000000	##000000
##538BEB	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F94EF

Deuteranopia (green-blind)

#4886E9

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538beb;
/* rgb */ color: rgb(83, 139, 235);
/* oklch */ color: oklch(64.4% 0.156 260.5);

Tailwind

colors: {
  custom: {
    50: '#91acf2',
    500: '#538beb',
    950: '#000000',
  },
}

SCSS

$custom: #538beb;
$custom-light: #91acf2;
$custom-dark: #000000;

JSON

{
  "hex": "#538beb",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 235
  },
  "hsl": {
    "h": 217.895,
    "s": 79.167,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64423,
    "c": 0.15596,
    "h": 260.5
  },
  "luminance": 0.26302
}

Semantic roles & 50–950 ramp

primary

#538BEB

secondary

#E9D4B1

accent

#8E0ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538BEB

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

Preview Lab → · Contrast checker → · Palette generator →