#538FE8#538FE8

#538FE8 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.1% C 0.148 H 258.1°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#538FE8
RGB	rgb(83, 143, 232)
HSL	hsl(216, 76%, 62%)
HSV	hsv(216, 64%, 91%)
CMYK	cmyk(64.2%, 38.4%, 0%, 9%)
CIE-LAB	lab(59.26, 8.11, -50.81)
CIE-LCH	lch(59.26, 51.45, 279.07°)
OKLab	oklab(65.1% -0.0303 -0.1445)
OKLCH	oklch(65.1% 0.148 258.1)
XYZ	xyz(27.9500, 27.3074, 80.1262)
Luminance	0.2731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FE8 #E8AC53

analogous

#53D9E8 #538FE8 #6253E8

triadic

#538FE8 #E8538F #8FE853

tetradic

#538FE8 #E853D9 #E8AC53 #53E862

square

#538FE8 #E853D9 #E8AC53 #53E862

split-complementary

#538FE8 #E86253 #D9E853

monochromatic

#1752AA #1E6CE0 #538FE8 #89B2EF #BFD5F6

Accessibility & contrast

On white

3.25

#538FE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#538FE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FE8

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FE8	#FFFFFF	#000000	##000000
##538FE8	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6796EC

Deuteranopia (green-blind)

#5288E6

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #538fe8;
/* rgb */ color: rgb(83, 143, 232);
/* oklch */ color: oklch(65.1% 0.148 258.1);

Tailwind

colors: {
  custom: {
    50: '#91aff0',
    500: '#538fe8',
    950: '#000000',
  },
}

SCSS

$custom: #538fe8;
$custom-light: #91aff0;
$custom-dark: #000000;

JSON

{
  "hex": "#538fe8",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 232
  },
  "hsl": {
    "h": 215.839,
    "s": 76.41,
    "l": 61.765
  },
  "oklch": {
    "l": 0.65097,
    "c": 0.14766,
    "h": 258.1
  },
  "luminance": 0.2731
}

Semantic roles & 50–950 ramp

primary

#538FE8

secondary

#E7D1B0

accent

#870DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538FE8

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

Preview Lab → · Contrast checker → · Palette generator →