#354CB3#354CB3

#354CB3 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.1% C 0.165 H 269.3°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#354CB3
RGB	rgb(53, 76, 179)
HSL	hsl(229, 54%, 45%)
HSV	hsv(229, 70%, 70%)
CMYK	cmyk(70.4%, 57.5%, 0%, 29.8%)
CIE-LAB	lab(36.33, 26.58, -57.38)
CIE-LCH	lch(36.33, 63.24, 294.85°)
OKLab	oklab(46.12% -0.002 -0.1653)
OKLCH	oklch(46.12% 0.165 269.3)
XYZ	xyz(12.1865, 9.1792, 43.7686)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#354CB3 #B39C35

analogous

#358BB3 #354CB3 #5D35B3

triadic

#354CB3 #B3354C #4CB335

tetradic

#354CB3 #B3358B #B39C35 #35B35D

square

#354CB3 #B3358B #B39C35 #35B35D

split-complementary

#354CB3 #B35D35 #8BB335

monochromatic

#192455 #273884 #354CB3 #586DCD #8796DB

Accessibility & contrast

On white

7.40

#354CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#354CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #354CB3

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##354CB3	#FFFFFF	#000000	##FFFFFF
##354CB3	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB6

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #354cb3;
/* rgb */ color: rgb(53, 76, 179);
/* oklch */ color: oklch(46.1% 0.165 269.3);

Tailwind

colors: {
  custom: {
    50: '#7c7dcb',
    500: '#354cb3',
    950: '#000000',
  },
}

SCSS

$custom: #354cb3;
$custom-light: #7c7dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#354cb3",
  "rgb": {
    "r": 53,
    "g": 76,
    "b": 179
  },
  "hsl": {
    "h": 229.048,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46123,
    "c": 0.16536,
    "h": 269.3
  },
  "luminance": 0.0918
}

Semantic roles & 50–950 ramp

primary

#354CB3

secondary

#C5B87F

accent

#C34ADE

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #354CB3

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

Preview Lab → · Contrast checker → · Palette generator →