#355ACB#355ACB

#355ACB is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.181 H 266.3°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#355ACB
RGB	rgb(53, 90, 203)
HSL	hsl(225, 59%, 50%)
HSV	hsv(225, 74%, 80%)
CMYK	cmyk(73.9%, 55.7%, 0%, 20.4%)
CIE-LAB	lab(41.81, 26.31, -62.49)
CIE-LCH	lch(41.81, 67.80, 292.83°)
OKLab	oklab(50.81% -0.0118 -0.1801)
OKLCH	oklch(50.81% 0.181 266.3)
XYZ	xyz(15.9001, 12.3793, 58.0398)
Luminance	0.1238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355ACB #CBA635

analogous

#35A5CB #355ACB #5B35CB

triadic

#355ACB #CB355A #5ACB35

tetradic

#355ACB #CB35A5 #CBA635 #35CB5B

square

#355ACB #CB35A5 #CBA635 #35CB5B

split-complementary

#355ACB #CB5B35 #A5CB35

monochromatic

#1B2F6A #28449B #355ACB #6682D8 #96AAE4

Accessibility & contrast

On white

6.04

#355ACB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#355ACB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355ACB

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355ACB	#FFFFFF	#000000	##FFFFFF
##355ACB	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005CC9

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355acb;
/* rgb */ color: rgb(53, 90, 203);
/* oklch */ color: oklch(50.8% 0.181 266.3);

Tailwind

colors: {
  custom: {
    50: '#8188dc',
    500: '#355acb',
    950: '#000000',
  },
}

SCSS

$custom: #355acb;
$custom-light: #8188dc;
$custom-dark: #000000;

JSON

{
  "hex": "#355acb",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 203
  },
  "hsl": {
    "h": 225.2,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50808,
    "c": 0.18054,
    "h": 266.3
  },
  "luminance": 0.12381
}

Semantic roles & 50–950 ramp

primary

#355ACB

secondary

#CFBF8C

accent

#BC46E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355ACB

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

Preview Lab → · Contrast checker → · Palette generator →