#536EB3#536EB3

#536EB3 is a mid, moderate blue. Relative luminance 0.162; OKLCH L 54.9% C 0.113 H 266.6°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#536EB3
RGB	rgb(83, 110, 179)
HSL	hsl(223, 39%, 51%)
HSV	hsv(223, 54%, 70%)
CMYK	cmyk(53.6%, 38.5%, 0%, 29.8%)
CIE-LAB	lab(47.29, 10.42, -39.70)
CIE-LCH	lch(47.29, 41.04, 284.71°)
OKLab	oklab(54.92% -0.0067 -0.1123)
OKLCH	oklch(54.92% 0.113 266.6)
XYZ	xyz(17.2772, 16.2443, 44.8641)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536EB3 #B39853

analogous

#539EB3 #536EB3 #6853B3

triadic

#536EB3 #B3536E #6EB353

tetradic

#536EB3 #B3539E #B39853 #53B368

square

#536EB3 #B3539E #B39853 #53B368

split-complementary

#536EB3 #B36853 #9EB353

monochromatic

#2B3A61 #3E538B #536EB3 #7D92C6 #A8B6D9

Accessibility & contrast

On white

4.94

#536EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#536EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536EB3

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536EB3	#FFFFFF	#000000	##FFFFFF
##536EB3	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5275B6

Deuteranopia (green-blind)

#476CB2

Tritanopia (blue-blind)

#227D88

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #536eb3;
/* rgb */ color: rgb(83, 110, 179);
/* oklch */ color: oklch(54.9% 0.113 266.6);

Tailwind

colors: {
  custom: {
    50: '#8a97ca',
    500: '#536eb3',
    950: '#000000',
  },
}

SCSS

$custom: #536eb3;
$custom-light: #8a97ca;
$custom-dark: #000000;

JSON

{
  "hex": "#536eb3",
  "rgb": {
    "r": 83,
    "g": 110,
    "b": 179
  },
  "hsl": {
    "h": 223.125,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5492,
    "c": 0.11255,
    "h": 266.6
  },
  "luminance": 0.16246
}

Semantic roles & 50–950 ramp

primary

#536EB3

secondary

#C6BA9C

accent

#AE59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #536EB3

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

Preview Lab → · Contrast checker → · Palette generator →