#356EB4#356EB4

#356EB4 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.5% C 0.126 H 255.0°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#356EB4
RGB	rgb(53, 110, 180)
HSL	hsl(213, 55%, 46%)
HSV	hsv(213, 71%, 71%)
CMYK	cmyk(70.6%, 38.9%, 0%, 29.4%)
CIE-LAB	lab(45.91, 5.01, -42.56)
CIE-LCH	lch(45.91, 42.86, 276.72°)
OKLab	oklab(53.47% -0.0325 -0.1212)
OKLCH	oklch(53.47% 0.126 255)
XYZ	xyz(15.2793, 15.2024, 45.3003)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356EB4 #B47B35

analogous

#35ADB4 #356EB4 #3C35B4

triadic

#356EB4 #B4356E #6EB435

tetradic

#356EB4 #B435AD #B47B35 #35B43C

square

#356EB4 #B435AD #B47B35 #35B43C

split-complementary

#356EB4 #B43C35 #ADB435

monochromatic

#193455 #275185 #356EB4 #588DCE #88ADDC

Accessibility & contrast

On white

5.20

#356EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#356EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356EB4

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356EB4	#FFFFFF	#000000	##FFFFFF
##356EB4	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B7

Deuteranopia (green-blind)

#3B67B3

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356eb4;
/* rgb */ color: rgb(53, 110, 180);
/* oklch */ color: oklch(53.5% 0.126 255.0);

Tailwind

colors: {
  custom: {
    50: '#7b97cb',
    500: '#356eb4',
    950: '#000000',
  },
}

SCSS

$custom: #356eb4;
$custom-light: #7b97cb;
$custom-dark: #000000;

JSON

{
  "hex": "#356eb4",
  "rgb": {
    "r": 53,
    "g": 110,
    "b": 180
  },
  "hsl": {
    "h": 213.071,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53474,
    "c": 0.12553,
    "h": 255
  },
  "luminance": 0.15204
}

Semantic roles & 50–950 ramp

primary

#356EB4

secondary

#C6A67F

accent

#9B4ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356EB4

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

Preview Lab → · Contrast checker → · Palette generator →