#356FCE#356FCE

#356FCE is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.4% C 0.159 H 259.8°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#356FCE
RGB	rgb(53, 111, 206)
HSL	hsl(217, 61%, 51%)
HSV	hsv(217, 74%, 81%)
CMYK	cmyk(74.3%, 46.1%, 0%, 19.2%)
CIE-LAB	lab(47.73, 13.98, -54.66)
CIE-LCH	lch(47.73, 56.41, 284.35°)
OKLab	oklab(55.38% -0.0282 -0.1567)
OKLCH	oklch(55.38% 0.159 259.8)
XYZ	xyz(18.2892, 16.5800, 60.6169)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356FCE #CE9435

analogous

#35BBCE #356FCE #4735CE

triadic

#356FCE #CE356F #6FCE35

tetradic

#356FCE #CE35BB #CE9435 #35CE47

square

#356FCE #CE35BB #CE9435 #35CE47

split-complementary

#356FCE #CE4735 #BBCE35

monochromatic

#1B3A6E #27549F #356FCE #6692DA #98B5E6

Accessibility & contrast

On white

4.87

#356FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#356FCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356FCE

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356FCE	#FFFFFF	#000000	##FFFFFF
##356FCE	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D79D2

Deuteranopia (green-blind)

#186BCC

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #356fce;
/* rgb */ color: rgb(53, 111, 206);
/* oklch */ color: oklch(55.4% 0.159 259.8);

Tailwind

colors: {
  custom: {
    50: '#8097dd',
    500: '#356fce',
    950: '#000000',
  },
}

SCSS

$custom: #356fce;
$custom-light: #8097dd;
$custom-dark: #000000;

JSON

{
  "hex": "#356fce",
  "rgb": {
    "r": 53,
    "g": 111,
    "b": 206
  },
  "hsl": {
    "h": 217.255,
    "s": 60.956,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55376,
    "c": 0.15926,
    "h": 259.8
  },
  "luminance": 0.16582
}

Semantic roles & 50–950 ramp

primary

#356FCE

secondary

#D1B88D

accent

#A744E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356FCE

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

Preview Lab → · Contrast checker → · Palette generator →