#536EB9#536EB9

#536EB9 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.3% C 0.121 H 267.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#536EB9
RGB	rgb(83, 110, 185)
HSL	hsl(224, 42%, 53%)
HSV	hsv(224, 55%, 73%)
CMYK	cmyk(55.1%, 40.5%, 0%, 27.5%)
CIE-LAB	lab(47.61, 12.39, -42.67)
CIE-LCH	lch(47.61, 44.43, 286.19°)
OKLab	oklab(55.27% -0.0054 -0.121)
OKLCH	oklch(55.27% 0.121 267.4)
XYZ	xyz(17.8972, 16.4923, 48.1298)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536EB9 #B99E53

analogous

#53A1B9 #536EB9 #6B53B9

triadic

#536EB9 #B9536E #6EB953

tetradic

#536EB9 #B953A1 #B99E53 #53B96B

square

#536EB9 #B953A1 #B99E53 #53B96B

split-complementary

#536EB9 #B96B53 #A1B953

monochromatic

#2A3A67 #3C5393 #536EB9 #7E93CB #AAB7DC

Accessibility & contrast

On white

4.89

#536EB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#536EB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536EB9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536EB9	#FFFFFF	#000000	##FFFFFF
##536EB9	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F76BC

Deuteranopia (green-blind)

#436DB7

Tritanopia (blue-blind)

#197E8A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #536eb9;
/* rgb */ color: rgb(83, 110, 185);
/* oklch */ color: oklch(55.3% 0.121 267.4);

Tailwind

colors: {
  custom: {
    50: '#8b97ce',
    500: '#536eb9',
    950: '#000000',
  },
}

SCSS

$custom: #536eb9;
$custom-light: #8b97ce;
$custom-dark: #000000;

JSON

{
  "hex": "#536eb9",
  "rgb": {
    "r": 83,
    "g": 110,
    "b": 185
  },
  "hsl": {
    "h": 224.118,
    "s": 42.149,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55271,
    "c": 0.12117,
    "h": 267.4
  },
  "luminance": 0.16494
}

Semantic roles & 50–950 ramp

primary

#536EB9

secondary

#CABE9E

accent

#B156D2

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #536EB9

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

Preview Lab → · Contrast checker → · Palette generator →