#356FCD#356FCD

#356FCD is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.3% C 0.158 H 259.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#356FCD
RGB	rgb(53, 111, 205)
HSL	hsl(217, 60%, 51%)
HSV	hsv(217, 74%, 80%)
CMYK	cmyk(74.1%, 45.9%, 0%, 19.6%)
CIE-LAB	lab(47.66, 13.61, -54.18)
CIE-LCH	lch(47.66, 55.87, 284.10°)
OKLab	oklab(55.31% -0.0284 -0.1554)
OKLCH	oklch(55.31% 0.158 259.7)
XYZ	xyz(18.1681, 16.5315, 59.9792)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356FCD #CD9335

analogous

#35BBCD #356FCD #4735CD

triadic

#356FCD #CD356F #6FCD35

tetradic

#356FCD #CD35BB #CD9335 #35CD47

square

#356FCD #CD35BB #CD9335 #35CD47

split-complementary

#356FCD #CD4735 #BBCD35

monochromatic

#1B3A6D #27549E #356FCD #6692D9 #97B5E5

Accessibility & contrast

On white

4.88

#356FCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#356FCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356FCD

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356FCD	#FFFFFF	#000000	##FFFFFF
##356FCD	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E79D1

Deuteranopia (green-blind)

#1B6BCB

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #356fcd;
/* rgb */ color: rgb(53, 111, 205);
/* oklch */ color: oklch(55.3% 0.158 259.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#356fcd",
  "rgb": {
    "r": 53,
    "g": 111,
    "b": 205
  },
  "hsl": {
    "h": 217.105,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55308,
    "c": 0.15793,
    "h": 259.7
  },
  "luminance": 0.16534
}

Semantic roles & 50–950 ramp

primary

#356FCD

secondary

#D1B78D

accent

#A744E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356FCD

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

Preview Lab → · Contrast checker → · Palette generator →