#356D9B#356D9B

#356D9B is a mid, moderate cyan. Relative luminance 0.141; OKLCH L 51.8% C 0.094 H 245.8°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#356D9B
RGB	rgb(53, 109, 155)
HSL	hsl(207, 49%, 41%)
HSV	hsv(207, 66%, 61%)
CMYK	cmyk(65.8%, 29.7%, 0%, 39.2%)
CIE-LAB	lab(44.32, -3.36, -30.40)
CIE-LCH	lch(44.32, 30.59, 263.69°)
OKLab	oklab(51.8% -0.0385 -0.0858)
OKLCH	oklch(51.8% 0.094 245.8)
XYZ	xyz(12.8510, 14.0594, 33.0405)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356D9B #9B6335

analogous

#359B96 #356D9B #353A9B

triadic

#356D9B #9B356D #6D9B35

tetradic

#356D9B #96359B #9B6335 #3A9B35

square

#356D9B #96359B #9B6335 #3A9B35

split-complementary

#356D9B #9B353A #9B9635

monochromatic

#162D40 #254D6D #356D9B #4C8CC2 #79AAD1

Accessibility & contrast

On white

5.51

#356D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#356D9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356D9B

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356D9B	#FFFFFF	#000000	##FFFFFF
##356D9B	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596E9D

Deuteranopia (green-blind)

#4B649A

Tritanopia (blue-blind)

#00787D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #356d9b;
/* rgb */ color: rgb(53, 109, 155);
/* oklch */ color: oklch(51.8% 0.094 245.8);

Tailwind

colors: {
  custom: {
    50: '#7796b8',
    500: '#356d9b',
    950: '#000000',
  },
}

SCSS

$custom: #356d9b;
$custom-light: #7796b8;
$custom-dark: #000000;

JSON

{
  "hex": "#356d9b",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 155
  },
  "hsl": {
    "h": 207.059,
    "s": 49.038,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51803,
    "c": 0.09402,
    "h": 245.8
  },
  "luminance": 0.14061
}

Semantic roles & 50–950 ramp

primary

#356D9B

secondary

#BA9272

accent

#8D4FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #356D9B

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

Preview Lab → · Contrast checker → · Palette generator →