#356DA3#356DA3

#356DA3 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 52.2% C 0.104 H 249.7°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#356DA3
RGB	rgb(53, 109, 163)
HSL	hsl(209, 51%, 42%)
HSV	hsv(209, 67%, 64%)
CMYK	cmyk(67.5%, 33.1%, 0%, 36.1%)
CIE-LAB	lab(44.71, -0.52, -34.51)
CIE-LCH	lch(44.71, 34.51, 269.13°)
OKLab	oklab(52.24% -0.0361 -0.0977)
OKLCH	oklch(52.24% 0.104 249.7)
XYZ	xyz(13.5452, 14.3371, 36.6967)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DA3 #A36B35

analogous

#35A3A2 #356DA3 #3536A3

triadic

#356DA3 #A3356D #6DA335

tetradic

#356DA3 #A235A3 #A36B35 #36A335

square

#356DA3 #A235A3 #A36B35 #36A335

split-complementary

#356DA3 #A33536 #A3A235

monochromatic

#172F47 #264E75 #356DA3 #4F8CC6 #7EAAD5

Accessibility & contrast

On white

5.43

#356DA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#356DA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DA3

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DA3	#FFFFFF	#000000	##FFFFFF
##356DA3	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5570A5

Deuteranopia (green-blind)

#4665A2

Tritanopia (blue-blind)

#007A80

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #356da3;
/* rgb */ color: rgb(53, 109, 163);
/* oklch */ color: oklch(52.2% 0.104 249.7);

Tailwind

colors: {
  custom: {
    50: '#7896be',
    500: '#356da3',
    950: '#000000',
  },
}

SCSS

$custom: #356da3;
$custom-light: #7896be;
$custom-dark: #000000;

JSON

{
  "hex": "#356da3",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 163
  },
  "hsl": {
    "h": 209.455,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52243,
    "c": 0.10415,
    "h": 249.7
  },
  "luminance": 0.14339
}

Semantic roles & 50–950 ramp

primary

#356DA3

secondary

#BE9976

accent

#934DDA

background

#F7F9FB

surface

#EEF1F7

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #356DA3

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

Preview Lab → · Contrast checker → · Palette generator →