#538BE7#538BE7

#538BE7 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.2% C 0.151 H 259.8°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#538BE7
RGB	rgb(83, 139, 231)
HSL	hsl(217, 76%, 62%)
HSV	hsv(217, 64%, 91%)
CMYK	cmyk(64.1%, 39.8%, 0%, 9.4%)
CIE-LAB	lab(58.10, 10.15, -52.09)
CIE-LCH	lch(58.10, 53.07, 281.03°)
OKLab	oklab(64.19% -0.0266 -0.1483)
OKLCH	oklch(64.19% 0.151 259.8)
XYZ	xyz(27.2186, 26.0712, 79.1836)
Luminance	0.2607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BE7 #E7AF53

analogous

#53D5E7 #538BE7 #6553E7

triadic

#538BE7 #E7538B #8BE753

tetradic

#538BE7 #E753D5 #E7AF53 #53E765

square

#538BE7 #E753D5 #E7AF53 #53E765

split-complementary

#538BE7 #E76553 #D5E753

monochromatic

#174EA8 #1F67DE #538BE7 #89AFEE #BED3F6

Accessibility & contrast

On white

3.38

#538BE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#538BE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BE7

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BE7	#FFFFFF	#000000	##000000
##538BE7	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6293EB

Deuteranopia (green-blind)

#4C85E5

Tritanopia (blue-blind)

#00A0AE

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538be7;
/* rgb */ color: rgb(83, 139, 231);
/* oklch */ color: oklch(64.2% 0.151 259.8);

Tailwind

colors: {
  custom: {
    50: '#91acef',
    500: '#538be7',
    950: '#000000',
  },
}

SCSS

$custom: #538be7;
$custom-light: #91acef;
$custom-dark: #000000;

JSON

{
  "hex": "#538be7",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 231
  },
  "hsl": {
    "h": 217.297,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64185,
    "c": 0.15068,
    "h": 259.8
  },
  "luminance": 0.26074
}

Semantic roles & 50–950 ramp

primary

#538BE7

secondary

#E6D2AF

accent

#8B0ED8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538BE7

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

Preview Lab → · Contrast checker → · Palette generator →