#536EB5#536EB5

#536EB5 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 55.0% C 0.115 H 266.9°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#536EB5
RGB	rgb(83, 110, 181)
HSL	hsl(223, 40%, 52%)
HSV	hsv(223, 54%, 71%)
CMYK	cmyk(54.1%, 39.2%, 0%, 29%)
CIE-LAB	lab(47.40, 11.07, -40.69)
CIE-LCH	lch(47.40, 42.17, 285.22°)
OKLab	oklab(55.04% -0.0063 -0.1153)
OKLCH	oklch(55.04% 0.115 266.9)
XYZ	xyz(17.4809, 16.3258, 45.9371)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536EB5 #B59A53

analogous

#539FB5 #536EB5 #6953B5

triadic

#536EB5 #B5536E #6EB553

tetradic

#536EB5 #B5539F #B59A53 #53B569

square

#536EB5 #B5539F #B59A53 #53B569

split-complementary

#536EB5 #B56953 #9FB553

monochromatic

#2B3A63 #3D538E #536EB5 #7E92C7 #A9B6DA

Accessibility & contrast

On white

4.92

#536EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#536EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536EB5

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536EB5	#FFFFFF	#000000	##FFFFFF
##536EB5	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5175B8

Deuteranopia (green-blind)

#466CB3

Tritanopia (blue-blind)

#1F7D89

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #536eb5;
/* rgb */ color: rgb(83, 110, 181);
/* oklch */ color: oklch(55.0% 0.115 266.9);

Tailwind

colors: {
  custom: {
    50: '#8a97cb',
    500: '#536eb5',
    950: '#000000',
  },
}

SCSS

$custom: #536eb5;
$custom-light: #8a97cb;
$custom-dark: #000000;

JSON

{
  "hex": "#536eb5",
  "rgb": {
    "r": 83,
    "g": 110,
    "b": 181
  },
  "hsl": {
    "h": 223.469,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55036,
    "c": 0.11543,
    "h": 266.9
  },
  "luminance": 0.16327
}

Semantic roles & 50–950 ramp

primary

#536EB5

secondary

#C7BC9C

accent

#AF58D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #536EB5

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

Preview Lab → · Contrast checker → · Palette generator →