#356CB3#356CB3

#356CB3 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 53.0% C 0.126 H 255.9°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#356CB3
RGB	rgb(53, 108, 179)
HSL	hsl(214, 54%, 45%)
HSV	hsv(214, 70%, 70%)
CMYK	cmyk(70.4%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(45.27, 5.90, -43.00)
CIE-LCH	lch(45.27, 43.40, 277.81°)
OKLab	oklab(52.96% -0.0308 -0.1225)
OKLCH	oklch(52.96% 0.126 255.9)
XYZ	xyz(14.9645, 14.7351, 44.6946)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CB3 #B37C35

analogous

#35ABB3 #356CB3 #3D35B3

triadic

#356CB3 #B3356C #6CB335

tetradic

#356CB3 #B335AB #B37C35 #35B33D

square

#356CB3 #B335AB #B37C35 #35B33D

split-complementary

#356CB3 #B33D35 #ABB335

monochromatic

#193355 #275084 #356CB3 #588BCD #87ACDB

Accessibility & contrast

On white

5.32

#356CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#356CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CB3

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CB3	#FFFFFF	#000000	##FFFFFF
##356CB3	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B72B6

Deuteranopia (green-blind)

#3866B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #356cb3;
/* rgb */ color: rgb(53, 108, 179);
/* oklch */ color: oklch(53.0% 0.126 255.9);

Tailwind

colors: {
  custom: {
    50: '#7b95ca',
    500: '#356cb3',
    950: '#000000',
  },
}

SCSS

$custom: #356cb3;
$custom-light: #7b95ca;
$custom-dark: #000000;

JSON

{
  "hex": "#356cb3",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 213.81,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52957,
    "c": 0.12637,
    "h": 255.9
  },
  "luminance": 0.14737
}

Semantic roles & 50–950 ramp

primary

#356CB3

secondary

#C5A67F

accent

#9D4ADE

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #356CB3

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

Preview Lab → · Contrast checker → · Palette generator →