#355BAF#355BAF

#355BAF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.9% C 0.141 H 263.7°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#355BAF
RGB	rgb(53, 91, 175)
HSL	hsl(221, 54%, 45%)
HSV	hsv(221, 70%, 69%)
CMYK	cmyk(69.7%, 48%, 0%, 31.4%)
CIE-LAB	lab(40.14, 15.28, -48.87)
CIE-LCH	lch(40.14, 51.20, 287.37°)
OKLab	oklab(48.92% -0.0154 -0.1401)
OKLCH	oklch(48.92% 0.141 263.7)
XYZ	xyz(12.9444, 11.3329, 42.0544)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BAF #AF8935

analogous

#3598AF #355BAF #4C35AF

triadic

#355BAF #AF355B #5BAF35

tetradic

#355BAF #AF3598 #AF8935 #35AF4C

square

#355BAF #AF3598 #AF8935 #35AF4C

split-complementary

#355BAF #AF4C35 #98AF35

monochromatic

#192A51 #274380 #355BAF #567ACC #859FDA

Accessibility & contrast

On white

6.43

#355BAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#355BAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BAF

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BAF	#FFFFFF	#000000	##FFFFFF
##355BAF	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E65B2

Deuteranopia (green-blind)

#1059AD

Tritanopia (blue-blind)

#006F7C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355baf;
/* rgb */ color: rgb(53, 91, 175);
/* oklch */ color: oklch(48.9% 0.141 263.7);

Tailwind

colors: {
  custom: {
    50: '#7b88c7',
    500: '#355baf',
    950: '#000000',
  },
}

SCSS

$custom: #355baf;
$custom-light: #7b88c7;
$custom-dark: #000000;

JSON

{
  "hex": "#355baf",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 175
  },
  "hsl": {
    "h": 221.311,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48915,
    "c": 0.14091,
    "h": 263.7
  },
  "luminance": 0.11334
}

Semantic roles & 50–950 ramp

primary

#355BAF

secondary

#C4AD7C

accent

#AF4BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355BAF

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

Preview Lab → · Contrast checker → · Palette generator →