#356BD1#356BD1

#356BD1 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.7% C 0.168 H 261.6°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#356BD1
RGB	rgb(53, 107, 209)
HSL	hsl(219, 63%, 51%)
HSV	hsv(219, 75%, 82%)
CMYK	cmyk(74.6%, 48.8%, 0%, 18%)
CIE-LAB	lab(46.81, 17.63, -57.85)
CIE-LCH	lch(46.81, 60.47, 286.95°)
OKLab	oklab(54.73% -0.0244 -0.1662)
OKLCH	oklch(54.73% 0.168 261.6)
XYZ	xyz(18.2304, 15.8737, 62.4124)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356BD1 #D19B35

analogous

#35B9D1 #356BD1 #4D35D1

triadic

#356BD1 #D1356B #6BD135

tetradic

#356BD1 #D135B9 #D19B35 #35D14D

square

#356BD1 #D135B9 #D19B35 #35D14D

split-complementary

#356BD1 #D14D35 #B9D135

monochromatic

#1A3872 #2551A4 #356BD1 #6790DC #99B4E8

Accessibility & contrast

On white

5.03

#356BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#356BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BD1

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356BD1	#FFFFFF	#000000	##FFFFFF
##356BD1	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3077D5

Deuteranopia (green-blind)

#0068CF

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #356bd1;
/* rgb */ color: rgb(53, 107, 209);
/* oklch */ color: oklch(54.7% 0.168 261.6);

Tailwind

colors: {
  custom: {
    50: '#8194e0',
    500: '#356bd1',
    950: '#000000',
  },
}

SCSS

$custom: #356bd1;
$custom-light: #8194e0;
$custom-dark: #000000;

JSON

{
  "hex": "#356bd1",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 209
  },
  "hsl": {
    "h": 219.231,
    "s": 62.903,
    "l": 51.373
  },
  "oklch": {
    "l": 0.54732,
    "c": 0.168,
    "h": 261.6
  },
  "luminance": 0.15876
}

Semantic roles & 50–950 ramp

primary

#356BD1

secondary

#D3BB8F

accent

#AD42E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356BD1

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

Preview Lab → · Contrast checker → · Palette generator →