#538ADB#538ADB

#538ADB is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.3% C 0.136 H 258.0°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#538ADB
RGB	rgb(83, 138, 219)
HSL	hsl(216, 65%, 59%)
HSV	hsv(216, 62%, 86%)
CMYK	cmyk(62.1%, 37%, 0%, 14.1%)
CIE-LAB	lab(57.20, 6.70, -46.83)
CIE-LCH	lch(57.20, 47.31, 278.14°)
OKLab	oklab(63.28% -0.0283 -0.1329)
OKLCH	oklch(63.28% 0.136 258)
XYZ	xyz(25.4374, 25.1281, 70.5138)
Luminance	0.2513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538ADB #DBA453

analogous

#53CEDB #538ADB #6053DB

triadic

#538ADB #DB538A #8ADB53

tetradic

#538ADB #DB53CE #DBA453 #53DB60

square

#538ADB #DB53CE #DBA453 #53DB60

split-complementary

#538ADB #DB6053 #CEDB53

monochromatic

#1F4F95 #2A69C7 #538ADB #86ACE6 #B8CFF0

Accessibility & contrast

On white

3.48

#538ADB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#538ADB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538ADB

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538ADB	#FFFFFF	#000000	##000000
##538ADB	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6790DE

Deuteranopia (green-blind)

#5483D9

Tritanopia (blue-blind)

#009CA8

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #538adb;
/* rgb */ color: rgb(83, 138, 219);
/* oklch */ color: oklch(63.3% 0.136 258.0);

Tailwind

colors: {
  custom: {
    50: '#8fabe6',
    500: '#538adb',
    950: '#000000',
  },
}

SCSS

$custom: #538adb;
$custom-light: #8fabe6;
$custom-dark: #000000;

JSON

{
  "hex": "#538adb",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 219
  },
  "hsl": {
    "h": 215.735,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.63278,
    "c": 0.13589,
    "h": 258
  },
  "luminance": 0.2513
}

Semantic roles & 50–950 ramp

primary

#538ADB

secondary

#DFCAAA

accent

#A43FE8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #538ADB

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

Preview Lab → · Contrast checker → · Palette generator →