#354F99#354F99

#354F99 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.8% C 0.125 H 266.8°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#354F99
RGB	rgb(53, 79, 153)
HSL	hsl(224, 49%, 40%)
HSV	hsv(224, 65%, 60%)
CMYK	cmyk(65.4%, 48.4%, 0%, 40%)
CIE-LAB	lab(35.30, 15.03, -43.51)
CIE-LCH	lch(35.30, 46.04, 289.05°)
OKLab	oklab(44.76% -0.007 -0.1245)
OKLCH	oklch(44.76% 0.125 266.8)
XYZ	xyz(10.0120, 8.6478, 31.2724)
Luminance	0.0865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#354F99 #997F35

analogous

#358199 #354F99 #4D3599

triadic

#354F99 #99354F #4F9935

tetradic

#354F99 #993581 #997F35 #35994D

square

#354F99 #993581 #997F35 #35994D

split-complementary

#354F99 #994D35 #819935

monochromatic

#16203E #25386C #354F99 #4B69C1 #788FD0

Accessibility & contrast

On white

7.69

#354F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#354F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #354F99

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##354F99	#FFFFFF	#000000	##FFFFFF
##354F99	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29589C

Deuteranopia (green-blind)

#154F97

Tritanopia (blue-blind)

#00606C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #354f99;
/* rgb */ color: rgb(53, 79, 153);
/* oklch */ color: oklch(44.8% 0.125 266.8);

Tailwind

colors: {
  custom: {
    50: '#777fb7',
    500: '#354f99',
    950: '#000000',
  },
}

SCSS

$custom: #354f99;
$custom-light: #777fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#354f99",
  "rgb": {
    "r": 53,
    "g": 79,
    "b": 153
  },
  "hsl": {
    "h": 224.4,
    "s": 48.544,
    "l": 40.392
  },
  "oklch": {
    "l": 0.44757,
    "c": 0.1247,
    "h": 266.8
  },
  "luminance": 0.08649
}

Semantic roles & 50–950 ramp

primary

#354F99

secondary

#B9A671

accent

#B550D8

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #354F99

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

Preview Lab → · Contrast checker → · Palette generator →