#536FCF#536FCF

#536FCF is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.9% C 0.151 H 269.0°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#536FCF
RGB	rgb(83, 111, 207)
HSL	hsl(226, 56%, 57%)
HSV	hsv(226, 60%, 81%)
CMYK	cmyk(59.9%, 46.4%, 0%, 18.8%)
CIE-LAB	lab(49.14, 19.11, -52.88)
CIE-LCH	lch(49.14, 56.23, 289.87°)
OKLab	oklab(56.85% -0.0027 -0.151)
OKLCH	oklch(56.85% 0.151 269)
XYZ	xyz(20.5104, 17.7112, 61.3571)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FCF #CFB353

analogous

#53ADCF #536FCF #7553CF

triadic

#536FCF #CF536F #6FCF53

tetradic

#536FCF #CF53AD #CFB353 #53CF75

square

#536FCF #CF53AD #CFB353 #53CF75

split-complementary

#536FCF #CF7553 #ADCF53

monochromatic

#253A83 #324FB3 #536FCF #8397DC #B3BFEA

Accessibility & contrast

On white

4.62

#536FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#536FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #536FCF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FCF	#FFFFFF	#000000	##FFFFFF
##536FCF	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417BD3

Deuteranopia (green-blind)

#2D70CD

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #536fcf;
/* rgb */ color: rgb(83, 111, 207);
/* oklch */ color: oklch(56.9% 0.151 269.0);

Tailwind

colors: {
  custom: {
    50: '#8e97de',
    500: '#536fcf',
    950: '#000000',
  },
}

SCSS

$custom: #536fcf;
$custom-light: #8e97de;
$custom-dark: #000000;

JSON

{
  "hex": "#536fcf",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 207
  },
  "hsl": {
    "h": 226.452,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.56852,
    "c": 0.151,
    "h": 269
  },
  "luminance": 0.17713
}

Semantic roles & 50–950 ramp

primary

#536FCF

secondary

#D8CDA6

accent

#BD48E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #536FCF

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

Preview Lab → · Contrast checker → · Palette generator →