#356EA3#356EA3

#356EA3 is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.5% C 0.103 H 248.9°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#356EA3
RGB	rgb(53, 110, 163)
HSL	hsl(209, 51%, 42%)
HSV	hsv(209, 67%, 64%)
CMYK	cmyk(67.5%, 32.5%, 0%, 36.1%)
CIE-LAB	lab(45.01, -1.14, -34.03)
CIE-LCH	lch(45.01, 34.05, 268.09°)
OKLab	oklab(52.48% -0.0371 -0.0963)
OKLCH	oklch(52.48% 0.103 248.9)
XYZ	xyz(13.6525, 14.5517, 36.7325)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356EA3 #A36A35

analogous

#35A3A1 #356EA3 #3537A3

triadic

#356EA3 #A3356E #6EA335

tetradic

#356EA3 #A135A3 #A36A35 #37A335

square

#356EA3 #A135A3 #A36A35 #37A335

split-complementary

#356EA3 #A33537 #A3A135

monochromatic

#173047 #264F75 #356EA3 #4F8DC6 #7EABD5

Accessibility & contrast

On white

5.37

#356EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#356EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356EA3

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356EA3	#FFFFFF	#000000	##FFFFFF
##356EA3	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5770A5

Deuteranopia (green-blind)

#4766A2

Tritanopia (blue-blind)

#007B81

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #356ea3;
/* rgb */ color: rgb(53, 110, 163);
/* oklch */ color: oklch(52.5% 0.103 248.9);

Tailwind

colors: {
  custom: {
    50: '#7897be',
    500: '#356ea3',
    950: '#000000',
  },
}

SCSS

$custom: #356ea3;
$custom-light: #7897be;
$custom-dark: #000000;

JSON

{
  "hex": "#356ea3",
  "rgb": {
    "r": 53,
    "g": 110,
    "b": 163
  },
  "hsl": {
    "h": 208.909,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.5248,
    "c": 0.10321,
    "h": 248.9
  },
  "luminance": 0.14553
}

Semantic roles & 50–950 ramp

primary

#356EA3

secondary

#BE9976

accent

#914DDA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #356EA3

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

Preview Lab → · Contrast checker → · Palette generator →