#356DB4#356DB4

#356DB4 is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.2% C 0.127 H 255.6°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#356DB4
RGB	rgb(53, 109, 180)
HSL	hsl(214, 55%, 46%)
HSV	hsv(214, 71%, 71%)
CMYK	cmyk(70.6%, 39.4%, 0%, 29.4%)
CIE-LAB	lab(45.62, 5.64, -43.03)
CIE-LCH	lch(45.62, 43.40, 277.46°)
OKLab	oklab(53.25% -0.0316 -0.1226)
OKLCH	oklch(53.25% 0.127 255.6)
XYZ	xyz(15.1720, 14.9878, 45.2645)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DB4 #B47C35

analogous

#35ACB4 #356DB4 #3C35B4

triadic

#356DB4 #B4356D #6DB435

tetradic

#356DB4 #B435AC #B47C35 #35B43C

square

#356DB4 #B435AC #B47C35 #35B43C

split-complementary

#356DB4 #B43C35 #ACB435

monochromatic

#193455 #275085 #356DB4 #588CCE #88ADDC

Accessibility & contrast

On white

5.25

#356DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#356DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DB4

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DB4	#FFFFFF	#000000	##FFFFFF
##356DB4	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C72B7

Deuteranopia (green-blind)

#3967B3

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356db4;
/* rgb */ color: rgb(53, 109, 180);
/* oklch */ color: oklch(53.2% 0.127 255.6);

Tailwind

colors: {
  custom: {
    50: '#7b96cb',
    500: '#356db4',
    950: '#000000',
  },
}

SCSS

$custom: #356db4;
$custom-light: #7b96cb;
$custom-dark: #000000;

JSON

{
  "hex": "#356db4",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 180
  },
  "hsl": {
    "h": 213.543,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53246,
    "c": 0.12662,
    "h": 255.6
  },
  "luminance": 0.14989
}

Semantic roles & 50–950 ramp

primary

#356DB4

secondary

#C6A77F

accent

#9D4ADE

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356DB4

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

Preview Lab → · Contrast checker → · Palette generator →