#536EB4#536EB4

#536EB4 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 55.0% C 0.114 H 266.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#536EB4
RGB	rgb(83, 110, 180)
HSL	hsl(223, 39%, 52%)
HSV	hsv(223, 54%, 71%)
CMYK	cmyk(53.9%, 38.9%, 0%, 29.4%)
CIE-LAB	lab(47.35, 10.75, -40.20)
CIE-LCH	lch(47.35, 41.61, 284.97°)
OKLab	oklab(54.98% -0.0065 -0.1138)
OKLCH	oklch(54.98% 0.114 266.7)
XYZ	xyz(17.3787, 16.2849, 45.3987)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536EB4 #B49953

analogous

#539FB4 #536EB4 #6953B4

triadic

#536EB4 #B4536E #6EB453

tetradic

#536EB4 #B4539F #B49953 #53B469

square

#536EB4 #B4539F #B49953 #53B469

split-complementary

#536EB4 #B46953 #9FB453

monochromatic

#2B3A62 #3D538D #536EB4 #7E92C7 #A8B6D9

Accessibility & contrast

On white

4.93

#536EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#536EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536EB4

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536EB4	#FFFFFF	#000000	##FFFFFF
##536EB4	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5275B7

Deuteranopia (green-blind)

#466CB2

Tritanopia (blue-blind)

#217D88

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #536eb4;
/* rgb */ color: rgb(83, 110, 180);
/* oklch */ color: oklch(55.0% 0.114 266.7);

Tailwind

colors: {
  custom: {
    50: '#8a97cb',
    500: '#536eb4',
    950: '#000000',
  },
}

SCSS

$custom: #536eb4;
$custom-light: #8a97cb;
$custom-dark: #000000;

JSON

{
  "hex": "#536eb4",
  "rgb": {
    "r": 83,
    "g": 110,
    "b": 180
  },
  "hsl": {
    "h": 223.299,
    "s": 39.271,
    "l": 51.569
  },
  "oklch": {
    "l": 0.54978,
    "c": 0.11399,
    "h": 266.7
  },
  "luminance": 0.16286
}

Semantic roles & 50–950 ramp

primary

#536EB4

secondary

#C7BB9C

accent

#AE59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #536EB4

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

Preview Lab → · Contrast checker → · Palette generator →