#356FB1#356FB1

#356FB1 is a mid, vivid cyan. Relative luminance 0.153; OKLCH L 53.5% C 0.120 H 253.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#356FB1
RGB	rgb(53, 111, 177)
HSL	hsl(212, 54%, 45%)
HSV	hsv(212, 70%, 69%)
CMYK	cmyk(70.1%, 37.3%, 0%, 30.6%)
CIE-LAB	lab(46.04, 3.30, -40.61)
CIE-LCH	lch(46.04, 40.74, 274.64°)
OKLab	oklab(53.52% -0.0343 -0.1155)
OKLCH	oklch(53.52% 0.12 253.5)
XYZ	xyz(15.0855, 15.2985, 43.7443)
Luminance	0.1530 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356FB1 #B17735

analogous

#35ADB1 #356FB1 #3935B1

triadic

#356FB1 #B1356F #6FB135

tetradic

#356FB1 #B135AD #B17735 #35B139

square

#356FB1 #B135AD #B17735 #35B139

split-complementary

#356FB1 #B13935 #ADB135

monochromatic

#193453 #275182 #356FB1 #578ECD #86ADDB

Accessibility & contrast

On white

5.17

#356FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#356FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356FB1

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356FB1	#FFFFFF	#000000	##FFFFFF
##356FB1	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5173B4

Deuteranopia (green-blind)

#3F68B0

Tritanopia (blue-blind)

#007E87

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356fb1;
/* rgb */ color: rgb(53, 111, 177);
/* oklch */ color: oklch(53.5% 0.120 253.5);

Tailwind

colors: {
  custom: {
    50: '#7b97c8',
    500: '#356fb1',
    950: '#000000',
  },
}

SCSS

$custom: #356fb1;
$custom-light: #7b97c8;
$custom-dark: #000000;

JSON

{
  "hex": "#356fb1",
  "rgb": {
    "r": 53,
    "g": 111,
    "b": 177
  },
  "hsl": {
    "h": 211.935,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53522,
    "c": 0.12048,
    "h": 253.5
  },
  "luminance": 0.153
}

Semantic roles & 50–950 ramp

primary

#356FB1

secondary

#C4A37D

accent

#994BDD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #356FB1

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

Preview Lab → · Contrast checker → · Palette generator →