#356AC0#356AC0

#356AC0 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.3% C 0.146 H 259.6°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#356AC0
RGB	rgb(53, 106, 192)
HSL	hsl(217, 57%, 48%)
HSV	hsv(217, 72%, 75%)
CMYK	cmyk(72.4%, 44.8%, 0%, 24.7%)
CIE-LAB	lab(45.45, 11.95, -50.25)
CIE-LCH	lch(45.45, 51.66, 283.38°)
OKLab	oklab(53.35% -0.0263 -0.1439)
OKLCH	oklch(53.35% 0.146 259.6)
XYZ	xyz(16.1332, 14.8690, 51.8787)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356AC0 #C08B35

analogous

#35B0C0 #356AC0 #4535C0

triadic

#356AC0 #C0356A #6AC035

tetradic

#356AC0 #C035B0 #C08B35 #35C045

square

#356AC0 #C035B0 #C08B35 #35C045

split-complementary

#356AC0 #C04535 #B0C035

monochromatic

#1B3560 #285090 #356AC0 #5F8BD3 #8FAEE0

Accessibility & contrast

On white

5.28

#356AC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#356AC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356AC0

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356AC0	#FFFFFF	#000000	##FFFFFF
##356AC0	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F72C3

Deuteranopia (green-blind)

#2366BE

Tritanopia (blue-blind)

#007E8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356ac0;
/* rgb */ color: rgb(53, 106, 192);
/* oklch */ color: oklch(53.3% 0.146 259.6);

Tailwind

colors: {
  custom: {
    50: '#7e94d3',
    500: '#356ac0',
    950: '#000000',
  },
}

SCSS

$custom: #356ac0;
$custom-light: #7e94d3;
$custom-dark: #000000;

JSON

{
  "hex": "#356ac0",
  "rgb": {
    "r": 53,
    "g": 106,
    "b": 192
  },
  "hsl": {
    "h": 217.122,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53347,
    "c": 0.14627,
    "h": 259.6
  },
  "luminance": 0.14871
}

Semantic roles & 50–950 ramp

primary

#356AC0

secondary

#CBB186

accent

#A648E0

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #356AC0

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

Preview Lab → · Contrast checker → · Palette generator →