#356CBA#356CBA

#356CBA is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.4% C 0.136 H 257.5°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#356CBA
RGB	rgb(53, 108, 186)
HSL	hsl(215, 56%, 47%)
HSV	hsv(215, 72%, 73%)
CMYK	cmyk(71.5%, 41.9%, 0%, 27.1%)
CIE-LAB	lab(45.67, 8.47, -46.43)
CIE-LCH	lch(45.67, 47.20, 280.34°)
OKLab	oklab(53.4% -0.0293 -0.1326)
OKLCH	oklch(53.4% 0.136 257.5)
XYZ	xyz(15.6905, 15.0255, 48.5181)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CBA #BA8335

analogous

#35AFBA #356CBA #4035BA

triadic

#356CBA #BA356C #6CBA35

tetradic

#356CBA #BA35AF #BA8335 #35BA40

square

#356CBA #BA35AF #BA8335 #35BA40

split-complementary

#356CBA #BA4035 #AFBA35

monochromatic

#1A355B #27508A #356CBA #5C8CD0 #8BAEDE

Accessibility & contrast

On white

5.24

#356CBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#356CBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CBA

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CBA	#FFFFFF	#000000	##FFFFFF
##356CBA	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4773BD

Deuteranopia (green-blind)

#3166B8

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356cba;
/* rgb */ color: rgb(53, 108, 186);
/* oklch */ color: oklch(53.4% 0.136 257.5);

Tailwind

colors: {
  custom: {
    50: '#7c95cf',
    500: '#356cba',
    950: '#000000',
  },
}

SCSS

$custom: #356cba;
$custom-light: #7c95cf;
$custom-dark: #000000;

JSON

{
  "hex": "#356cba",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 186
  },
  "hsl": {
    "h": 215.188,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53397,
    "c": 0.13583,
    "h": 257.5
  },
  "luminance": 0.15027
}

Semantic roles & 50–950 ramp

primary

#356CBA

secondary

#C8AB82

accent

#A149DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #356CBA

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

Preview Lab → · Contrast checker → · Palette generator →