#356CCB#356CCB

#356CCB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.5% C 0.159 H 260.5°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#356CCB
RGB	rgb(53, 108, 203)
HSL	hsl(218, 59%, 50%)
HSV	hsv(218, 74%, 80%)
CMYK	cmyk(73.9%, 46.8%, 0%, 20.4%)
CIE-LAB	lab(46.70, 14.76, -54.59)
CIE-LCH	lch(46.70, 56.55, 285.13°)
OKLab	oklab(54.53% -0.0261 -0.1566)
OKLCH	oklch(54.53% 0.159 260.5)
XYZ	xyz(17.6064, 15.7919, 58.6086)
Luminance	0.1579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CCB #CB9435

analogous

#35B7CB #356CCB #4935CB

triadic

#356CCB #CB356C #6CCB35

tetradic

#356CCB #CB35B7 #CB9435 #35CB49

square

#356CCB #CB35B7 #CB9435 #35CB49

split-complementary

#356CCB #CB4935 #B7CB35

monochromatic

#1B386A #28529B #356CCB #668FD8 #96B3E4

Accessibility & contrast

On white

5.05

#356CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#356CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CCB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CCB	#FFFFFF	#000000	##FFFFFF
##356CCB	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3976CF

Deuteranopia (green-blind)

#1268C9

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #356ccb;
/* rgb */ color: rgb(53, 108, 203);
/* oklch */ color: oklch(54.5% 0.159 260.5);

Tailwind

colors: {
  custom: {
    50: '#8095db',
    500: '#356ccb',
    950: '#000000',
  },
}

SCSS

$custom: #356ccb;
$custom-light: #8095db;
$custom-dark: #000000;

JSON

{
  "hex": "#356ccb",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 203
  },
  "hsl": {
    "h": 218,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54526,
    "c": 0.15877,
    "h": 260.5
  },
  "luminance": 0.15794
}

Semantic roles & 50–950 ramp

primary

#356CCB

secondary

#CFB78C

accent

#A946E2

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356CCB

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

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