#356FD7#356FD7

#356FD7 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.0% C 0.171 H 261.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#356FD7
RGB	rgb(53, 111, 215)
HSL	hsl(219, 67%, 53%)
HSV	hsv(219, 75%, 84%)
CMYK	cmyk(75.3%, 48.4%, 0%, 15.7%)
CIE-LAB	lab(48.30, 17.32, -58.86)
CIE-LCH	lch(48.30, 61.36, 286.39°)
OKLab	oklab(56% -0.0268 -0.1691)
OKLCH	oklch(56% 0.171 261)
XYZ	xyz(19.4140, 17.0299, 66.5407)
Luminance	0.1703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356FD7 #D79D35

analogous

#35C0D7 #356FD7 #4C35D7

triadic

#356FD7 #D7356F #6FD735

tetradic

#356FD7 #D735C0 #D79D35 #35D74C

square

#356FD7 #D735C0 #D79D35 #35D74C

split-complementary

#356FD7 #D74C35 #C0D735

monochromatic

#183B7A #2254AD #356FD7 #6893E1 #9BB8EB

Accessibility & contrast

On white

4.77

#356FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#356FD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356FD7

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356FD7	#FFFFFF	#000000	##FFFFFF
##356FD7	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#337BDB

Deuteranopia (green-blind)

#006CD5

Tritanopia (blue-blind)

#008899

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #356fd7;
/* rgb */ color: rgb(53, 111, 215);
/* oklch */ color: oklch(56.0% 0.171 261.0);

Tailwind

colors: {
  custom: {
    50: '#8297e4',
    500: '#356fd7',
    950: '#000000',
  },
}

SCSS

$custom: #356fd7;
$custom-light: #8297e4;
$custom-dark: #000000;

JSON

{
  "hex": "#356fd7",
  "rgb": {
    "r": 53,
    "g": 111,
    "b": 215
  },
  "hsl": {
    "h": 218.519,
    "s": 66.942,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55998,
    "c": 0.17124,
    "h": 261
  },
  "luminance": 0.17032
}

Semantic roles & 50–950 ramp

primary

#356FD7

secondary

#D7BE91

accent

#AC3EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #356FD7

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

Preview Lab → · Contrast checker → · Palette generator →