#536BC7#536BC7

#536BC7 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.5% C 0.145 H 270.1°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#536BC7
RGB	rgb(83, 107, 199)
HSL	hsl(228, 51%, 55%)
HSV	hsv(228, 58%, 78%)
CMYK	cmyk(58.3%, 46.2%, 0%, 22%)
CIE-LAB	lab(47.59, 18.91, -50.78)
CIE-LCH	lch(47.59, 54.19, 290.43°)
OKLab	oklab(55.51% 0.0004 -0.1449)
OKLCH	oklch(55.51% 0.145 270.1)
XYZ	xyz(19.1303, 16.4764, 56.1939)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536BC7 #C7AF53

analogous

#53A5C7 #536BC7 #7553C7

triadic

#536BC7 #C7536B #6BC753

tetradic

#536BC7 #C753A5 #C7AF53 #53C775

square

#536BC7 #C753A5 #C7AF53 #53C775

split-complementary

#536BC7 #C77553 #A5C753

monochromatic

#273878 #364DA7 #536BC7 #8193D6 #AFBAE5

Accessibility & contrast

On white

4.89

#536BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#536BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536BC7

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536BC7	#FFFFFF	#000000	##FFFFFF
##536BC7	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)

#4076CA

Deuteranopia (green-blind)

#2F6CC5

Tritanopia (blue-blind)

#00808F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #536bc7;
/* rgb */ color: rgb(83, 107, 199);
/* oklch */ color: oklch(55.5% 0.145 270.1);

Tailwind

colors: {
  custom: {
    50: '#8d95d8',
    500: '#536bc7',
    950: '#000000',
  },
}

SCSS

$custom: #536bc7;
$custom-light: #8d95d8;
$custom-dark: #000000;

JSON

{
  "hex": "#536bc7",
  "rgb": {
    "r": 83,
    "g": 107,
    "b": 199
  },
  "hsl": {
    "h": 227.586,
    "s": 50.877,
    "l": 55.294
  },
  "oklch": {
    "l": 0.55514,
    "c": 0.14486,
    "h": 270.1
  },
  "luminance": 0.16478
}

Semantic roles & 50–950 ramp

primary

#536BC7

secondary

#D3C9A3

accent

#BD4DDA

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #536BC7

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

Preview Lab → · Contrast checker → · Palette generator →