#355ACD#355ACD

#355ACD is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.183 H 266.3°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#355ACD
RGB	rgb(53, 90, 205)
HSL	hsl(225, 60%, 51%)
HSV	hsv(225, 74%, 80%)
CMYK	cmyk(74.1%, 56.1%, 0%, 19.6%)
CIE-LAB	lab(41.96, 27.04, -63.40)
CIE-LCH	lch(41.96, 68.92, 293.10°)
OKLab	oklab(50.97% -0.0117 -0.1828)
OKLCH	oklch(50.97% 0.183 266.3)
XYZ	xyz(16.1399, 12.4752, 59.3031)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355ACD #CDA835

analogous

#35A6CD #355ACD #5C35CD

triadic

#355ACD #CD355A #5ACD35

tetradic

#355ACD #CD35A6 #CDA835 #35CD5C

square

#355ACD #CD35A6 #CDA835 #35CD5C

split-complementary

#355ACD #CD5C35 #A6CD35

monochromatic

#1B2F6D #27449E #355ACD #6682D9 #97AAE5

Accessibility & contrast

On white

6.01

#355ACD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#355ACD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355ACD

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355ACD	#FFFFFF	#000000	##FFFFFF
##355ACD	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD1

Deuteranopia (green-blind)

#005CCB

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355acd;
/* rgb */ color: rgb(53, 90, 205);
/* oklch */ color: oklch(51.0% 0.183 266.3);

Tailwind

colors: {
  custom: {
    50: '#8188dd',
    500: '#355acd',
    950: '#000000',
  },
}

SCSS

$custom: #355acd;
$custom-light: #8188dd;
$custom-dark: #000000;

JSON

{
  "hex": "#355acd",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 205
  },
  "hsl": {
    "h": 225.395,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50966,
    "c": 0.1832,
    "h": 266.3
  },
  "luminance": 0.12477
}

Semantic roles & 50–950 ramp

primary

#355ACD

secondary

#D1C08D

accent

#BD44E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355ACD

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

Preview Lab → · Contrast checker → · Palette generator →