#536FD1#536FD1

#536FD1 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.0% C 0.154 H 269.1°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#536FD1
RGB	rgb(83, 111, 209)
HSL	hsl(227, 58%, 57%)
HSV	hsv(227, 60%, 82%)
CMYK	cmyk(60.3%, 46.9%, 0%, 18%)
CIE-LAB	lab(49.26, 19.79, -53.83)
CIE-LCH	lch(49.26, 57.35, 290.18°)
OKLab	oklab(56.98% -0.0024 -0.1538)
OKLCH	oklch(56.98% 0.154 269.1)
XYZ	xyz(20.7565, 17.8096, 62.6530)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#536FD1 #D1B553

analogous

#53AED1 #536FD1 #7653D1

triadic

#536FD1 #D1536F #6FD153

tetradic

#536FD1 #D153AE #D1B553 #53D176

square

#536FD1 #D153AE #D1B553 #53D176

split-complementary

#536FD1 #D17653 #AED153

monochromatic

#243A86 #314EB6 #536FD1 #8397DE #B4C0EB

Accessibility & contrast

On white

4.60

#536FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#536FD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #536FD1

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##536FD1	#FFFFFF	#000000	##FFFFFF
##536FD1	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7BD5

Deuteranopia (green-blind)

#2A70CF

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #536fd1;
/* rgb */ color: rgb(83, 111, 209);
/* oklch */ color: oklch(57.0% 0.154 269.1);

Tailwind

colors: {
  custom: {
    50: '#8e97e0',
    500: '#536fd1',
    950: '#000000',
  },
}

SCSS

$custom: #536fd1;
$custom-light: #8e97e0;
$custom-dark: #000000;

JSON

{
  "hex": "#536fd1",
  "rgb": {
    "r": 83,
    "g": 111,
    "b": 209
  },
  "hsl": {
    "h": 226.667,
    "s": 57.798,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56982,
    "c": 0.15378,
    "h": 269.1
  },
  "luminance": 0.17811
}

Semantic roles & 50–950 ramp

primary

#536FD1

secondary

#D9CEA6

accent

#BF47E1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #536FD1

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

Preview Lab → · Contrast checker → · Palette generator →