#536BBF#536BBF

#536BBF is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.0% C 0.134 H 269.6°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#536BBF
RGB	rgb(83, 107, 191)
HSL	hsl(227, 46%, 54%)
HSV	hsv(227, 57%, 75%)
CMYK	cmyk(56.5%, 44%, 0%, 25.1%)
CIE-LAB	lab(47.12, 16.24, -46.92)
CIE-LCH	lch(47.12, 49.65, 289.09°)
OKLab	oklab(55% -0.0009 -0.1335)
OKLCH	oklch(55% 0.134 269.6)
XYZ	xyz(18.2258, 16.1146, 51.4301)
Luminance	0.1612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536BBF #BFA753

analogous

#53A1BF #536BBF #7153BF

triadic

#536BBF #BF536B #6BBF53

tetradic

#536BBF #BF53A1 #BFA753 #53BF71

square

#536BBF #BF53A1 #BFA753 #53BF71

split-complementary

#536BBF #BF7153 #A1BF53

monochromatic

#29396E #3A4F9B #536BBF #8091D0 #ACB8E0

Accessibility & contrast

On white

4.97

#536BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#536BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536BBF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536BBF	#FFFFFF	#000000	##FFFFFF
##536BBF	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4675C2

Deuteranopia (green-blind)

#386BBD

Tritanopia (blue-blind)

#0D7E8C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #536bbf;
/* rgb */ color: rgb(83, 107, 191);
/* oklch */ color: oklch(55.0% 0.134 269.6);

Tailwind

colors: {
  custom: {
    50: '#8b95d3',
    500: '#536bbf',
    950: '#000000',
  },
}

SCSS

$custom: #536bbf;
$custom-light: #8b95d3;
$custom-dark: #000000;

JSON

{
  "hex": "#536bbf",
  "rgb": {
    "r": 83,
    "g": 107,
    "b": 191
  },
  "hsl": {
    "h": 226.667,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55004,
    "c": 0.13353,
    "h": 269.6
  },
  "luminance": 0.16116
}

Semantic roles & 50–950 ramp

primary

#536BBF

secondary

#CEC4A0

accent

#B852D5

background

#F9F9FD

surface

#F1F1FA

border

#CBCBD3

text

#0D0D14

muted

#7E7E83

Preview Lab

Preview with #536BBF

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

Preview Lab → · Contrast checker → · Palette generator →