#356ED1#356ED1

#356ED1 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.4% C 0.164 H 260.6°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#356ED1
RGB	rgb(53, 110, 209)
HSL	hsl(218, 63%, 51%)
HSV	hsv(218, 75%, 82%)
CMYK	cmyk(74.6%, 47.4%, 0%, 18%)
CIE-LAB	lab(47.64, 15.72, -56.51)
CIE-LCH	lch(47.64, 58.66, 285.55°)
OKLab	oklab(55.37% -0.0269 -0.1622)
OKLCH	oklch(55.37% 0.164 260.6)
XYZ	xyz(18.5486, 16.5101, 62.5184)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356ED1 #D19835

analogous

#35BCD1 #356ED1 #4A35D1

triadic

#356ED1 #D1356E #6ED135

tetradic

#356ED1 #D135BC #D19835 #35D14A

square

#356ED1 #D135BC #D19835 #35D14A

split-complementary

#356ED1 #D14A35 #BCD135

monochromatic

#1A3A72 #2553A4 #356ED1 #6792DC #99B6E8

Accessibility & contrast

On white

4.88

#356ED1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#356ED1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356ED1

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356ED1	#FFFFFF	#000000	##FFFFFF
##356ED1	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3879D5

Deuteranopia (green-blind)

#066ACF

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #356ed1;
/* rgb */ color: rgb(53, 110, 209);
/* oklch */ color: oklch(55.4% 0.164 260.6);

Tailwind

colors: {
  custom: {
    50: '#8196e0',
    500: '#356ed1',
    950: '#000000',
  },
}

SCSS

$custom: #356ed1;
$custom-light: #8196e0;
$custom-dark: #000000;

JSON

{
  "hex": "#356ed1",
  "rgb": {
    "r": 53,
    "g": 110,
    "b": 209
  },
  "hsl": {
    "h": 218.077,
    "s": 62.903,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55367,
    "c": 0.16444,
    "h": 260.6
  },
  "luminance": 0.16512
}

Semantic roles & 50–950 ramp

primary

#356ED1

secondary

#D3BA8F

accent

#AA42E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356ED1

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

Preview Lab → · Contrast checker → · Palette generator →