#356EB5#356EB5

#356EB5 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.5% C 0.127 H 255.2°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#356EB5
RGB	rgb(53, 110, 181)
HSL	hsl(213, 55%, 46%)
HSV	hsv(213, 71%, 71%)
CMYK	cmyk(70.7%, 39.2%, 0%, 29%)
CIE-LAB	lab(45.97, 5.38, -43.06)
CIE-LCH	lch(45.97, 43.39, 277.12°)
OKLab	oklab(53.54% -0.0323 -0.1227)
OKLCH	oklch(53.54% 0.127 255.2)
XYZ	xyz(15.3816, 15.2433, 45.8387)
Luminance	0.1525 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356EB5 #B57C35

analogous

#35AEB5 #356EB5 #3C35B5

triadic

#356EB5 #B5356E #6EB535

tetradic

#356EB5 #B535AE #B57C35 #35B53C

square

#356EB5 #B535AE #B57C35 #35B53C

split-complementary

#356EB5 #B53C35 #AEB535

monochromatic

#193456 #275186 #356EB5 #598DCE #88AEDC

Accessibility & contrast

On white

5.19

#356EB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#356EB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356EB5

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356EB5	#FFFFFF	#000000	##FFFFFF
##356EB5	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D73B8

Deuteranopia (green-blind)

#3A67B4

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356eb5;
/* rgb */ color: rgb(53, 110, 181);
/* oklch */ color: oklch(53.5% 0.127 255.2);

Tailwind

colors: {
  custom: {
    50: '#7c97cb',
    500: '#356eb5',
    950: '#000000',
  },
}

SCSS

$custom: #356eb5;
$custom-light: #7c97cb;
$custom-dark: #000000;

JSON

{
  "hex": "#356eb5",
  "rgb": {
    "r": 53,
    "g": 110,
    "b": 181
  },
  "hsl": {
    "h": 213.281,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53535,
    "c": 0.12687,
    "h": 255.2
  },
  "luminance": 0.15245
}

Semantic roles & 50–950 ramp

primary

#356EB5

secondary

#C6A780

accent

#9C4ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356EB5

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

Preview Lab → · Contrast checker → · Palette generator →