#356FB8#356FB8

#356FB8 is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.9% C 0.130 H 255.5°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#356FB8
RGB	rgb(53, 111, 184)
HSL	hsl(213, 55%, 46%)
HSV	hsv(213, 71%, 72%)
CMYK	cmyk(71.2%, 39.7%, 0%, 27.8%)
CIE-LAB	lab(46.42, 5.86, -44.07)
CIE-LCH	lch(46.42, 44.46, 277.57°)
OKLab	oklab(53.95% -0.0326 -0.1256)
OKLCH	oklch(53.95% 0.13 255.5)
XYZ	xyz(15.8012, 15.5848, 47.5135)
Luminance	0.1559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356FB8 #B87E35

analogous

#35B1B8 #356FB8 #3D35B8

triadic

#356FB8 #B8356F #6FB835

tetradic

#356FB8 #B835B1 #B87E35 #35B83D

square

#356FB8 #B835B1 #B87E35 #35B83D

split-complementary

#356FB8 #B83D35 #B1B835

monochromatic

#1A3659 #275288 #356FB8 #5B8ED0 #8AAFDD

Accessibility & contrast

On white

5.10

#356FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#356FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356FB8

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356FB8	#FFFFFF	#000000	##FFFFFF
##356FB8	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D75BB

Deuteranopia (green-blind)

#3968B7

Tritanopia (blue-blind)

#00808A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #356fb8;
/* rgb */ color: rgb(53, 111, 184);
/* oklch */ color: oklch(53.9% 0.130 255.5);

Tailwind

colors: {
  custom: {
    50: '#7c97ce',
    500: '#356fb8',
    950: '#000000',
  },
}

SCSS

$custom: #356fb8;
$custom-light: #7c97ce;
$custom-dark: #000000;

JSON

{
  "hex": "#356fb8",
  "rgb": {
    "r": 53,
    "g": 111,
    "b": 184
  },
  "hsl": {
    "h": 213.435,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53948,
    "c": 0.12979,
    "h": 255.5
  },
  "luminance": 0.15586
}

Semantic roles & 50–950 ramp

primary

#356FB8

secondary

#C7A881

accent

#9C49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356FB8

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

Preview Lab → · Contrast checker → · Palette generator →