#356DB9#356DB9

#356DB9 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.6% C 0.133 H 256.8°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#356DB9
RGB	rgb(53, 109, 185)
HSL	hsl(215, 55%, 47%)
HSV	hsv(215, 71%, 73%)
CMYK	cmyk(71.4%, 41.1%, 0%, 27.5%)
CIE-LAB	lab(45.90, 7.47, -45.49)
CIE-LCH	lch(45.90, 46.09, 279.33°)
OKLab	oklab(53.56% -0.0304 -0.1298)
OKLCH	oklch(53.56% 0.133 256.8)
XYZ	xyz(15.6906, 15.1953, 47.9956)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DB9 #B98135

analogous

#35AFB9 #356DB9 #3F35B9

triadic

#356DB9 #B9356D #6DB935

tetradic

#356DB9 #B935AF #B98135 #35B93F

square

#356DB9 #B935AF #B98135 #35B93F

split-complementary

#356DB9 #B93F35 #AFB935

monochromatic

#1A355A #275189 #356DB9 #5B8DD0 #8BAEDE

Accessibility & contrast

On white

5.20

#356DB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#356DB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DB9

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DB9	#FFFFFF	#000000	##FFFFFF
##356DB9	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4973BC

Deuteranopia (green-blind)

#3467B7

Tritanopia (blue-blind)

#007F8A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356db9;
/* rgb */ color: rgb(53, 109, 185);
/* oklch */ color: oklch(53.6% 0.133 256.8);

Tailwind

colors: {
  custom: {
    50: '#7c96ce',
    500: '#356db9',
    950: '#000000',
  },
}

SCSS

$custom: #356db9;
$custom-light: #7c96ce;
$custom-dark: #000000;

JSON

{
  "hex": "#356db9",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 185
  },
  "hsl": {
    "h": 214.545,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53558,
    "c": 0.13335,
    "h": 256.8
  },
  "luminance": 0.15197
}

Semantic roles & 50–950 ramp

primary

#356DB9

secondary

#C8AA82

accent

#9F49DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #356DB9

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

Preview Lab → · Contrast checker → · Palette generator →