#538AE9#538AE9

#538AE9 is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.1% C 0.154 H 260.6°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#538AE9
RGB	rgb(83, 138, 233)
HSL	hsl(218, 77%, 62%)
HSV	hsv(218, 64%, 91%)
CMYK	cmyk(64.4%, 40.8%, 0%, 8.6%)
CIE-LAB	lab(57.94, 11.43, -53.46)
CIE-LCH	lch(57.94, 54.67, 282.07°)
OKLab	oklab(64.09% -0.0252 -0.1524)
OKLCH	oklch(64.09% 0.154 260.6)
XYZ	xyz(27.3585, 25.8965, 80.6317)
Luminance	0.2590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538AE9 #E9B253

analogous

#53D5E9 #538AE9 #6753E9

triadic

#538AE9 #E9538A #8AE953

tetradic

#538AE9 #E953D5 #E9B253 #53E967

square

#538AE9 #E953D5 #E9B253 #53E967

split-complementary

#538AE9 #E96753 #D5E953

monochromatic

#164DAC #1D65E2 #538AE9 #89AFF0 #C0D4F7

Accessibility & contrast

On white

3.40

#538AE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#538AE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AE9

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538AE9	#FFFFFF	#000000	##000000
##538AE9	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F93ED

Deuteranopia (green-blind)

#4885E7

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538ae9;
/* rgb */ color: rgb(83, 138, 233);
/* oklch */ color: oklch(64.1% 0.154 260.6);

Tailwind

colors: {
  custom: {
    50: '#91abf0',
    500: '#538ae9',
    950: '#000000',
  },
}

SCSS

$custom: #538ae9;
$custom-light: #91abf0;
$custom-dark: #000000;

JSON

{
  "hex": "#538ae9",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 233
  },
  "hsl": {
    "h": 218,
    "s": 77.32,
    "l": 61.961
  },
  "oklch": {
    "l": 0.64092,
    "c": 0.15443,
    "h": 260.6
  },
  "luminance": 0.25899
}

Semantic roles & 50–950 ramp

primary

#538AE9

secondary

#E8D3B0

accent

#8E0CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538AE9

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

Preview Lab → · Contrast checker → · Palette generator →