#355BA1#355BA1

#355BA1 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.0% C 0.121 H 261.5°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#355BA1
RGB	rgb(53, 91, 161)
HSL	hsl(219, 50%, 42%)
HSV	hsv(219, 67%, 63%)
CMYK	cmyk(67.1%, 43.5%, 0%, 36.9%)
CIE-LAB	lab(39.26, 10.11, -41.97)
CIE-LCH	lch(39.26, 43.17, 283.54°)
OKLab	oklab(47.96% -0.0179 -0.1198)
OKLCH	oklch(47.96% 0.121 261.5)
XYZ	xyz(11.6400, 10.8111, 35.1846)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BA1 #A17B35

analogous

#3591A1 #355BA1 #4535A1

triadic

#355BA1 #A1355B #5BA135

tetradic

#355BA1 #A13591 #A17B35 #35A145

square

#355BA1 #A13591 #A17B35 #35A145

split-complementary

#355BA1 #A14535 #91A135

monochromatic

#172745 #264173 #355BA1 #4E78C5 #7C9BD4

Accessibility & contrast

On white

6.64

#355BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#355BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BA1

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BA1	#FFFFFF	#000000	##FFFFFF
##355BA1	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A62A4

Deuteranopia (green-blind)

#2958A0

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #355ba1;
/* rgb */ color: rgb(53, 91, 161);
/* oklch */ color: oklch(48.0% 0.121 261.5);

Tailwind

colors: {
  custom: {
    50: '#7888bd',
    500: '#355ba1',
    950: '#000000',
  },
}

SCSS

$custom: #355ba1;
$custom-light: #7888bd;
$custom-dark: #000000;

JSON

{
  "hex": "#355ba1",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 161
  },
  "hsl": {
    "h": 218.889,
    "s": 50.467,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47961,
    "c": 0.12111,
    "h": 261.5
  },
  "luminance": 0.10812
}

Semantic roles & 50–950 ramp

primary

#355BA1

secondary

#BDA475

accent

#A94EDA

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355BA1

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

Preview Lab → · Contrast checker → · Palette generator →