#538AE3#538AE3

#538AE3 is a light, vivid blue. Relative luminance 0.256; OKLCH L 63.7% C 0.146 H 259.6°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#538AE3
RGB	rgb(83, 138, 227)
HSL	hsl(217, 72%, 61%)
HSV	hsv(217, 63%, 89%)
CMYK	cmyk(63.4%, 39.2%, 0%, 11%)
CIE-LAB	lab(57.62, 9.40, -50.64)
CIE-LCH	lch(57.62, 51.50, 280.51°)
OKLab	oklab(63.74% -0.0265 -0.1441)
OKLCH	oklch(63.74% 0.146 259.6)
XYZ	xyz(26.5160, 25.5595, 76.1942)
Luminance	0.2556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538AE3 #E3AC53

analogous

#53D2E3 #538AE3 #6453E3

triadic

#538AE3 #E3538A #8AE353

tetradic

#538AE3 #E353D2 #E3AC53 #53E364

square

#538AE3 #E353D2 #E3AC53 #53E364

split-complementary

#538AE3 #E36453 #D2E353

monochromatic

#1A4EA1 #2367D6 #538AE3 #88AEEC #BCD2F4

Accessibility & contrast

On white

3.44

#538AE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#538AE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AE3

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538AE3	#FFFFFF	#000000	##000000
##538AE3	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6292E7

Deuteranopia (green-blind)

#4E84E1

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #538ae3;
/* rgb */ color: rgb(83, 138, 227);
/* oklch */ color: oklch(63.7% 0.146 259.6);

Tailwind

colors: {
  custom: {
    50: '#90abec',
    500: '#538ae3',
    950: '#000000',
  },
}

SCSS

$custom: #538ae3;
$custom-light: #90abec;
$custom-dark: #000000;

JSON

{
  "hex": "#538ae3",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 227
  },
  "hsl": {
    "h": 217.083,
    "s": 72,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63738,
    "c": 0.14647,
    "h": 259.6
  },
  "luminance": 0.25562
}

Semantic roles & 50–950 ramp

primary

#538AE3

secondary

#E4CFAE

accent

#8A11D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538AE3

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

Preview Lab → · Contrast checker → · Palette generator →