#354DB9#354DB9

#354DB9 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.172 H 269.1°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#354DB9
RGB	rgb(53, 77, 185)
HSL	hsl(229, 55%, 47%)
HSV	hsv(229, 71%, 73%)
CMYK	cmyk(71.4%, 58.4%, 0%, 27.5%)
CIE-LAB	lab(37.05, 28.12, -59.74)
CIE-LCH	lch(37.05, 66.03, 295.21°)
OKLab	oklab(46.81% -0.0026 -0.1723)
OKLCH	oklch(46.81% 0.172 269.1)
XYZ	xyz(12.8760, 9.5661, 47.0574)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#354DB9 #B9A135

analogous

#358FB9 #354DB9 #5F35B9

triadic

#354DB9 #B9354D #4DB935

tetradic

#354DB9 #B9358F #B9A135 #35B95F

square

#354DB9 #B9358F #B9A135 #35B95F

split-complementary

#354DB9 #B95F35 #8FB935

monochromatic

#1A255A #273989 #354DB9 #5B70D0 #8B9ADE

Accessibility & contrast

On white

7.21

#354DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#354DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #354DB9

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##354DB9	#FFFFFF	#000000	##FFFFFF
##354DB9	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#0051B7

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #354db9;
/* rgb */ color: rgb(53, 77, 185);
/* oklch */ color: oklch(46.8% 0.172 269.1);

Tailwind

colors: {
  custom: {
    50: '#7e7ecf',
    500: '#354db9',
    950: '#000000',
  },
}

SCSS

$custom: #354db9;
$custom-light: #7e7ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#354db9",
  "rgb": {
    "r": 53,
    "g": 77,
    "b": 185
  },
  "hsl": {
    "h": 229.091,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4681,
    "c": 0.17229,
    "h": 269.1
  },
  "luminance": 0.09567
}

Semantic roles & 50–950 ramp

primary

#354DB9

secondary

#C8BB82

accent

#C449DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #354DB9

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

Preview Lab → · Contrast checker → · Palette generator →