#356BBA#356BBA

#356BBA is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.2% C 0.137 H 258.1°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#356BBA
RGB	rgb(53, 107, 186)
HSL	hsl(216, 56%, 47%)
HSV	hsv(216, 72%, 73%)
CMYK	cmyk(71.5%, 42.5%, 0%, 27.1%)
CIE-LAB	lab(45.38, 9.10, -46.89)
CIE-LCH	lch(45.38, 47.77, 280.98°)
OKLab	oklab(53.17% -0.0284 -0.134)
OKLCH	oklch(53.17% 0.137 258.1)
XYZ	xyz(15.5856, 14.8158, 48.4832)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356BBA #BA8435

analogous

#35AEBA #356BBA #4135BA

triadic

#356BBA #BA356B #6BBA35

tetradic

#356BBA #BA35AE #BA8435 #35BA41

square

#356BBA #BA35AE #BA8435 #35BA41

split-complementary

#356BBA #BA4135 #AEBA35

monochromatic

#1A345B #27508A #356BBA #5C8BD0 #8BADDE

Accessibility & contrast

On white

5.30

#356BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#356BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BBA

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356BBA	#FFFFFF	#000000	##FFFFFF
##356BBA	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4572BD

Deuteranopia (green-blind)

#2E66B8

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #356bba;
/* rgb */ color: rgb(53, 107, 186);
/* oklch */ color: oklch(53.2% 0.137 258.1);

Tailwind

colors: {
  custom: {
    50: '#7c94cf',
    500: '#356bba',
    950: '#000000',
  },
}

SCSS

$custom: #356bba;
$custom-light: #7c94cf;
$custom-dark: #000000;

JSON

{
  "hex": "#356bba",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 186
  },
  "hsl": {
    "h": 215.639,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53174,
    "c": 0.13697,
    "h": 258.1
  },
  "luminance": 0.14817
}

Semantic roles & 50–950 ramp

primary

#356BBA

secondary

#C8AC82

accent

#A249DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #356BBA

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

Preview Lab → · Contrast checker → · Palette generator →