#536FB5#536FB5

#536FB5 is a mid, moderate blue. Relative luminance 0.165; OKLCH L 55.3% C 0.114 H 266.3°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#536FB5
RGB	rgb(83, 111, 181)
HSL	hsl(223, 40%, 52%)
HSV	hsv(223, 54%, 71%)
CMYK	cmyk(54.1%, 38.7%, 0%, 29%)
CIE-LAB	lab(47.68, 10.45, -40.25)
CIE-LCH	lch(47.68, 41.59, 284.56°)
OKLab	oklab(55.25% -0.0074 -0.114)
OKLCH	oklch(55.25% 0.114 266.3)
XYZ	xyz(17.5894, 16.5428, 45.9733)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FB5 #B59953

analogous

#53A0B5 #536FB5 #6853B5

triadic

#536FB5 #B5536F #6FB553

tetradic

#536FB5 #B553A0 #B59953 #53B568

square

#536FB5 #B553A0 #B59953 #53B568

split-complementary

#536FB5 #B56853 #A0B553

monochromatic

#2B3B63 #3D548E #536FB5 #7E93C7 #A9B7DA

Accessibility & contrast

On white

4.87

#536FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#536FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536FB5

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FB5	#FFFFFF	#000000	##FFFFFF
##536FB5	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5376B8

Deuteranopia (green-blind)

#476DB3

Tritanopia (blue-blind)

#1F7E89

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #536fb5;
/* rgb */ color: rgb(83, 111, 181);
/* oklch */ color: oklch(55.3% 0.114 266.3);

Tailwind

colors: {
  custom: {
    50: '#8a98cb',
    500: '#536fb5',
    950: '#000000',
  },
}

SCSS

$custom: #536fb5;
$custom-light: #8a98cb;
$custom-dark: #000000;

JSON

{
  "hex": "#536fb5",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 181
  },
  "hsl": {
    "h": 222.857,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55252,
    "c": 0.1142,
    "h": 266.3
  },
  "luminance": 0.16544
}

Semantic roles & 50–950 ramp

primary

#536FB5

secondary

#C7BB9C

accent

#AE58D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #536FB5

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

Preview Lab → · Contrast checker → · Palette generator →