#356D99#356D99

#356D99 is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.7% C 0.092 H 244.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#356D99
RGB	rgb(53, 109, 153)
HSL	hsl(206, 49%, 40%)
HSV	hsv(206, 65%, 60%)
CMYK	cmyk(65.4%, 28.8%, 0%, 40%)
CIE-LAB	lab(44.22, -4.07, -29.37)
CIE-LCH	lch(44.22, 29.65, 262.12°)
OKLab	oklab(51.7% -0.0392 -0.0828)
OKLCH	oklch(51.7% 0.092 244.7)
XYZ	xyz(12.6845, 13.9928, 32.1632)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356D99 #996135

analogous

#359993 #356D99 #353B99

triadic

#356D99 #99356D #6D9935

tetradic

#356D99 #933599 #996135 #3B9935

square

#356D99 #933599 #996135 #3B9935

split-complementary

#356D99 #99353B #999335

monochromatic

#162C3E #254D6C #356D99 #4B8DC1 #78A9D0

Accessibility & contrast

On white

5.53

#356D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#356D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356D99

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356D99	#FFFFFF	#000000	##FFFFFF
##356D99	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6E9B

Deuteranopia (green-blind)

#4C6498

Tritanopia (blue-blind)

#00787C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #356d99;
/* rgb */ color: rgb(53, 109, 153);
/* oklch */ color: oklch(51.7% 0.092 244.7);

Tailwind

colors: {
  custom: {
    50: '#7796b7',
    500: '#356d99',
    950: '#000000',
  },
}

SCSS

$custom: #356d99;
$custom-light: #7796b7;
$custom-dark: #000000;

JSON

{
  "hex": "#356d99",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 153
  },
  "hsl": {
    "h": 206.4,
    "s": 48.544,
    "l": 40.392
  },
  "oklch": {
    "l": 0.51697,
    "c": 0.09157,
    "h": 244.7
  },
  "luminance": 0.13994
}

Semantic roles & 50–950 ramp

primary

#356D99

secondary

#B99171

accent

#8C50D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #356D99

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

Preview Lab → · Contrast checker → · Palette generator →