#536FB0#536FB0

#536FB0 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 55.0% C 0.107 H 265.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#536FB0
RGB	rgb(83, 111, 176)
HSL	hsl(222, 37%, 51%)
HSV	hsv(222, 53%, 69%)
CMYK	cmyk(52.8%, 36.9%, 0%, 31%)
CIE-LAB	lab(47.42, 8.83, -37.75)
CIE-LCH	lch(47.42, 38.77, 283.16°)
OKLab	oklab(54.97% -0.0086 -0.1067)
OKLCH	oklch(54.97% 0.107 265.4)
XYZ	xyz(17.0856, 16.3413, 43.3197)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FB0 #B09453

analogous

#539EB0 #536FB0 #6553B0

triadic

#536FB0 #B0536F #6FB053

tetradic

#536FB0 #B0539E #B09453 #53B065

square

#536FB0 #B0539E #B09453 #53B065

split-complementary

#536FB0 #B06553 #9EB053

monochromatic

#2B3A5E #3E5488 #536FB0 #7D92C3 #A7B5D7

Accessibility & contrast

On white

4.92

#536FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#536FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #536FB0

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FB0	#FFFFFF	#000000	##FFFFFF
##536FB0	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5575B3

Deuteranopia (green-blind)

#4B6DAF

Tritanopia (blue-blind)

#257D87

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #536fb0;
/* rgb */ color: rgb(83, 111, 176);
/* oklch */ color: oklch(55.0% 0.107 265.4);

Tailwind

colors: {
  custom: {
    50: '#8998c8',
    500: '#536fb0',
    950: '#000000',
  },
}

SCSS

$custom: #536fb0;
$custom-light: #8998c8;
$custom-dark: #000000;

JSON

{
  "hex": "#536fb0",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 176
  },
  "hsl": {
    "h": 221.935,
    "s": 37.052,
    "l": 50.784
  },
  "oklch": {
    "l": 0.54966,
    "c": 0.10702,
    "h": 265.4
  },
  "luminance": 0.16342
}

Semantic roles & 50–950 ramp

primary

#536FB0

secondary

#C4B89B

accent

#AB5BCD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #536FB0

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

Preview Lab → · Contrast checker → · Palette generator →