#356CBC#356CBC

#356CBC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.5% C 0.139 H 258.0°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#356CBC
RGB	rgb(53, 108, 188)
HSL	hsl(216, 56%, 47%)
HSV	hsv(216, 72%, 74%)
CMYK	cmyk(71.8%, 42.6%, 0%, 26.3%)
CIE-LAB	lab(45.79, 9.21, -47.41)
CIE-LCH	lch(45.79, 48.29, 280.99°)
OKLab	oklab(53.53% -0.0289 -0.1355)
OKLCH	oklch(53.53% 0.139 258)
XYZ	xyz(15.9046, 15.1111, 49.6457)
Luminance	0.1511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CBC #BC8535

analogous

#35AFBC #356CBC #4235BC

triadic

#356CBC #BC356C #6CBC35

tetradic

#356CBC #BC35AF #BC8535 #35BC42

square

#356CBC #BC35AF #BC8535 #35BC42

split-complementary

#356CBC #BC4235 #AFBC35

monochromatic

#1A355D #28518C #356CBC #5D8CD1 #8DAEDF

Accessibility & contrast

On white

5.22

#356CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#356CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CBC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CBC	#FFFFFF	#000000	##FFFFFF
##356CBC	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4573BF

Deuteranopia (green-blind)

#2E67BA

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356cbc;
/* rgb */ color: rgb(53, 108, 188);
/* oklch */ color: oklch(53.5% 0.139 258.0);

Tailwind

colors: {
  custom: {
    50: '#7d95d1',
    500: '#356cbc',
    950: '#000000',
  },
}

SCSS

$custom: #356cbc;
$custom-light: #7d95d1;
$custom-dark: #000000;

JSON

{
  "hex": "#356cbc",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 188
  },
  "hsl": {
    "h": 215.556,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53526,
    "c": 0.13853,
    "h": 258
  },
  "luminance": 0.15113
}

Semantic roles & 50–950 ramp

primary

#356CBC

secondary

#C9AD84

accent

#A248DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #356CBC

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

Preview Lab → · Contrast checker → · Palette generator →