#356AC1#356AC1

#356AC1 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.4% C 0.148 H 259.8°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#356AC1
RGB	rgb(53, 106, 193)
HSL	hsl(217, 57%, 48%)
HSV	hsv(217, 73%, 76%)
CMYK	cmyk(72.5%, 45.1%, 0%, 24.3%)
CIE-LAB	lab(45.52, 12.32, -50.73)
CIE-LCH	lch(45.52, 52.21, 283.65°)
OKLab	oklab(53.41% -0.0261 -0.1453)
OKLCH	oklch(53.41% 0.148 259.8)
XYZ	xyz(16.2444, 14.9134, 52.4642)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356AC1 #C18C35

analogous

#35B0C1 #356AC1 #4635C1

triadic

#356AC1 #C1356A #6AC135

tetradic

#356AC1 #C135B0 #C18C35 #35C146

square

#356AC1 #C135B0 #C18C35 #35C146

split-complementary

#356AC1 #C14635 #B0C135

monochromatic

#1B3561 #285091 #356AC1 #608CD3 #90AEE0

Accessibility & contrast

On white

5.27

#356AC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#356AC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356AC1

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356AC1	#FFFFFF	#000000	##FFFFFF
##356AC1	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E73C4

Deuteranopia (green-blind)

#2166BF

Tritanopia (blue-blind)

#007E8C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356ac1;
/* rgb */ color: rgb(53, 106, 193);
/* oklch */ color: oklch(53.4% 0.148 259.8);

Tailwind

colors: {
  custom: {
    50: '#7e94d4',
    500: '#356ac1',
    950: '#000000',
  },
}

SCSS

$custom: #356ac1;
$custom-light: #7e94d4;
$custom-dark: #000000;

JSON

{
  "hex": "#356ac1",
  "rgb": {
    "r": 53,
    "g": 106,
    "b": 193
  },
  "hsl": {
    "h": 217.286,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53414,
    "c": 0.14763,
    "h": 259.8
  },
  "luminance": 0.14915
}

Semantic roles & 50–950 ramp

primary

#356AC1

secondary

#CBB187

accent

#A648E0

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #356AC1

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

Preview Lab → · Contrast checker → · Palette generator →