#356DA4#356DA4

#356DA4 is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.3% C 0.105 H 250.2°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#356DA4
RGB	rgb(53, 109, 164)
HSL	hsl(210, 51%, 43%)
HSV	hsv(210, 68%, 64%)
CMYK	cmyk(67.7%, 33.5%, 0%, 35.7%)
CIE-LAB	lab(44.76, -0.17, -35.01)
CIE-LCH	lch(44.76, 35.02, 269.73°)
OKLab	oklab(52.3% -0.0358 -0.0992)
OKLCH	oklch(52.3% 0.105 250.2)
XYZ	xyz(13.6352, 14.3731, 37.1705)
Luminance	0.1437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DA4 #A46C35

analogous

#35A4A4 #356DA4 #3535A4

triadic

#356DA4 #A4356D #6DA435

tetradic

#356DA4 #A435A4 #A46C35 #35A435

square

#356DA4 #A435A4 #A46C35 #35A435

split-complementary

#356DA4 #A43535 #A4A435

monochromatic

#173047 #264E76 #356DA4 #508CC6 #7EAAD5

Accessibility & contrast

On white

5.42

#356DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#356DA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DA4

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DA4	#FFFFFF	#000000	##FFFFFF
##356DA4	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5570A6

Deuteranopia (green-blind)

#4565A3

Tritanopia (blue-blind)

#007A81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #356da4;
/* rgb */ color: rgb(53, 109, 164);
/* oklch */ color: oklch(52.3% 0.105 250.2);

Tailwind

colors: {
  custom: {
    50: '#7896bf',
    500: '#356da4',
    950: '#000000',
  },
}

SCSS

$custom: #356da4;
$custom-light: #7896bf;
$custom-dark: #000000;

JSON

{
  "hex": "#356da4",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 164
  },
  "hsl": {
    "h": 209.73,
    "s": 51.152,
    "l": 42.549
  },
  "oklch": {
    "l": 0.523,
    "c": 0.10544,
    "h": 250.2
  },
  "luminance": 0.14374
}

Semantic roles & 50–950 ramp

primary

#356DA4

secondary

#BE9A76

accent

#934DDB

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #356DA4

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

Preview Lab → · Contrast checker → · Palette generator →