#536CBB#536CBB

#536CBB is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.0% C 0.127 H 268.8°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#536CBB
RGB	rgb(83, 108, 187)
HSL	hsl(226, 43%, 53%)
HSV	hsv(226, 56%, 73%)
CMYK	cmyk(55.6%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(47.17, 14.29, -44.53)
CIE-LCH	lch(47.17, 46.77, 287.79°)
OKLab	oklab(54.97% -0.0027 -0.1265)
OKLCH	oklch(54.97% 0.127 268.8)
XYZ	xyz(17.8965, 16.1507, 49.1784)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536CBB #BBA253

analogous

#53A0BB #536CBB #6E53BB

triadic

#536CBB #BB536C #6CBB53

tetradic

#536CBB #BB53A0 #BBA253 #53BB6E

square

#536CBB #BB53A0 #BBA253 #53BB6E

split-complementary

#536CBB #BB6E53 #A0BB53

monochromatic

#2A396A #3B5196 #536CBB #7F91CC #ABB7DE

Accessibility & contrast

On white

4.96

#536CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#536CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536CBB

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536CBB	#FFFFFF	#000000	##FFFFFF
##536CBB	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A75BE

Deuteranopia (green-blind)

#3E6CB9

Tritanopia (blue-blind)

#167D8A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #536cbb;
/* rgb */ color: rgb(83, 108, 187);
/* oklch */ color: oklch(55.0% 0.127 268.8);

Tailwind

colors: {
  custom: {
    50: '#8b95d0',
    500: '#536cbb',
    950: '#000000',
  },
}

SCSS

$custom: #536cbb;
$custom-light: #8b95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#536cbb",
  "rgb": {
    "r": 83,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 225.577,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54967,
    "c": 0.12655,
    "h": 268.8
  },
  "luminance": 0.16152
}

Semantic roles & 50–950 ramp

primary

#536CBB

secondary

#CBC19E

accent

#B555D3

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #536CBB

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

Preview Lab → · Contrast checker → · Palette generator →