#354FB9#354FB9

#354FB9 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.2% C 0.170 H 268.6°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#354FB9
RGB	rgb(53, 79, 185)
HSL	hsl(228, 55%, 47%)
HSV	hsv(228, 71%, 73%)
CMYK	cmyk(71.4%, 57.3%, 0%, 27.5%)
CIE-LAB	lab(37.57, 26.82, -58.90)
CIE-LCH	lch(37.57, 64.72, 294.48°)
OKLab	oklab(47.2% -0.0042 -0.1698)
OKLCH	oklch(47.2% 0.17 268.6)
XYZ	xyz(13.0181, 9.8503, 47.1048)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#354FB9 #B99F35

analogous

#3591B9 #354FB9 #5D35B9

triadic

#354FB9 #B9354F #4FB935

tetradic

#354FB9 #B93591 #B99F35 #35B95D

square

#354FB9 #B93591 #B99F35 #35B95D

split-complementary

#354FB9 #B95D35 #91B935

monochromatic

#1A265A #273B89 #354FB9 #5B72D0 #8B9BDE

Accessibility & contrast

On white

7.07

#354FB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#354FB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #354FB9

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##354FB9	#FFFFFF	#000000	##FFFFFF
##354FB9	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBD

Deuteranopia (green-blind)

#0053B7

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #354fb9;
/* rgb */ color: rgb(53, 79, 185);
/* oklch */ color: oklch(47.2% 0.170 268.6);

Tailwind

colors: {
  custom: {
    50: '#7e80cf',
    500: '#354fb9',
    950: '#000000',
  },
}

SCSS

$custom: #354fb9;
$custom-light: #7e80cf;
$custom-dark: #000000;

JSON

{
  "hex": "#354fb9",
  "rgb": {
    "r": 53,
    "g": 79,
    "b": 185
  },
  "hsl": {
    "h": 228.182,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47199,
    "c": 0.16981,
    "h": 268.6
  },
  "luminance": 0.09852
}

Semantic roles & 50–950 ramp

primary

#354FB9

secondary

#C8BA82

accent

#C149DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #354FB9

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

Preview Lab → · Contrast checker → · Palette generator →