#354FBC#354FBC

#354FBC is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.174 H 268.6°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#354FBC
RGB	rgb(53, 79, 188)
HSL	hsl(228, 56%, 47%)
HSV	hsv(228, 72%, 74%)
CMYK	cmyk(71.8%, 58%, 0%, 26.3%)
CIE-LAB	lab(37.80, 27.92, -60.28)
CIE-LCH	lch(37.80, 66.43, 294.85°)
OKLab	oklab(47.44% -0.0041 -0.1738)
OKLCH	oklch(47.44% 0.174 268.6)
XYZ	xyz(13.3382, 9.9783, 48.7903)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#354FBC #BCA235

analogous

#3593BC #354FBC #5E35BC

triadic

#354FBC #BC354F #4FBC35

tetradic

#354FBC #BC3593 #BCA235 #35BC5E

square

#354FBC #BC3593 #BCA235 #35BC5E

split-complementary

#354FBC #BC5E35 #93BC35

monochromatic

#1A275D #283B8C #354FBC #5D73D1 #8D9CDF

Accessibility & contrast

On white

7.01

#354FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#354FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #354FBC

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##354FBC	#FFFFFF	#000000	##FFFFFF
##354FBC	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #354fbc;
/* rgb */ color: rgb(53, 79, 188);
/* oklch */ color: oklch(47.4% 0.174 268.6);

Tailwind

colors: {
  custom: {
    50: '#7e80d1',
    500: '#354fbc',
    950: '#000000',
  },
}

SCSS

$custom: #354fbc;
$custom-light: #7e80d1;
$custom-dark: #000000;

JSON

{
  "hex": "#354fbc",
  "rgb": {
    "r": 53,
    "g": 79,
    "b": 188
  },
  "hsl": {
    "h": 228.444,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47444,
    "c": 0.17388,
    "h": 268.6
  },
  "luminance": 0.0998
}

Semantic roles & 50–950 ramp

primary

#354FBC

secondary

#C9BC84

accent

#C248DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #354FBC

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

Preview Lab → · Contrast checker → · Palette generator →