#356ACB#356ACB

#356ACB is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.1% C 0.161 H 261.3°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#356ACB
RGB	rgb(53, 106, 203)
HSL	hsl(219, 59%, 50%)
HSV	hsv(219, 74%, 80%)
CMYK	cmyk(73.9%, 47.8%, 0%, 20.4%)
CIE-LAB	lab(46.14, 16.03, -55.48)
CIE-LCH	lch(46.14, 57.75, 286.12°)
OKLab	oklab(54.1% -0.0245 -0.1593)
OKLCH	oklch(54.1% 0.161 261.3)
XYZ	xyz(17.3978, 15.3748, 58.5391)
Luminance	0.1538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356ACB #CB9635

analogous

#35B5CB #356ACB #4B35CB

triadic

#356ACB #CB356A #6ACB35

tetradic

#356ACB #CB35B5 #CB9635 #35CB4B

square

#356ACB #CB35B5 #CB9635 #35CB4B

split-complementary

#356ACB #CB4B35 #B5CB35

monochromatic

#1B376A #28519B #356ACB #668ED8 #96B2E4

Accessibility & contrast

On white

5.15

#356ACB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#356ACB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356ACB

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356ACB	#FFFFFF	#000000	##FFFFFF
##356ACB	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3475CF

Deuteranopia (green-blind)

#0367C9

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356acb;
/* rgb */ color: rgb(53, 106, 203);
/* oklch */ color: oklch(54.1% 0.161 261.3);

Tailwind

colors: {
  custom: {
    50: '#8094db',
    500: '#356acb',
    950: '#000000',
  },
}

SCSS

$custom: #356acb;
$custom-light: #8094db;
$custom-dark: #000000;

JSON

{
  "hex": "#356acb",
  "rgb": {
    "r": 53,
    "g": 106,
    "b": 203
  },
  "hsl": {
    "h": 218.8,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.54098,
    "c": 0.16114,
    "h": 261.3
  },
  "luminance": 0.15377
}

Semantic roles & 50–950 ramp

primary

#356ACB

secondary

#CFB88C

accent

#AB46E2

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356ACB

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

Preview Lab → · Contrast checker → · Palette generator →