#354CB8#354CB8

#354CB8 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.5% C 0.172 H 269.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#354CB8
RGB	rgb(53, 76, 184)
HSL	hsl(229, 55%, 46%)
HSV	hsv(229, 71%, 72%)
CMYK	cmyk(71.2%, 58.7%, 0%, 27.8%)
CIE-LAB	lab(36.72, 28.41, -59.70)
CIE-LCH	lch(36.72, 66.11, 295.44°)
OKLab	oklab(46.54% -0.0019 -0.1722)
OKLCH	oklch(46.54% 0.172 269.4)
XYZ	xyz(12.7014, 9.3852, 46.4802)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#354CB8 #B8A135

analogous

#358EB8 #354CB8 #6035B8

triadic

#354CB8 #B8354C #4CB835

tetradic

#354CB8 #B8358E #B8A135 #35B860

square

#354CB8 #B8358E #B8A135 #35B860

split-complementary

#354CB8 #B86035 #8EB835

monochromatic

#1A2559 #273888 #354CB8 #5B6FD0 #8A99DD

Accessibility & contrast

On white

7.30

#354CB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#354CB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #354CB8

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##354CB8	#FFFFFF	#000000	##FFFFFF
##354CB8	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBC

Deuteranopia (green-blind)

#0051B6

Tritanopia (blue-blind)

#00677A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #354cb8;
/* rgb */ color: rgb(53, 76, 184);
/* oklch */ color: oklch(46.5% 0.172 269.4);

Tailwind

colors: {
  custom: {
    50: '#7e7dce',
    500: '#354cb8',
    950: '#000000',
  },
}

SCSS

$custom: #354cb8;
$custom-light: #7e7dce;
$custom-dark: #000000;

JSON

{
  "hex": "#354cb8",
  "rgb": {
    "r": 53,
    "g": 76,
    "b": 184
  },
  "hsl": {
    "h": 229.466,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46535,
    "c": 0.17217,
    "h": 269.4
  },
  "luminance": 0.09386
}

Semantic roles & 50–950 ramp

primary

#354CB8

secondary

#C7BB81

accent

#C449DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #354CB8

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

Preview Lab → · Contrast checker → · Palette generator →