#354EB9#354EB9

#354EB9 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.0% C 0.171 H 268.9°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#354EB9
RGB	rgb(53, 78, 185)
HSL	hsl(229, 55%, 47%)
HSV	hsv(229, 71%, 73%)
CMYK	cmyk(71.4%, 57.8%, 0%, 27.5%)
CIE-LAB	lab(37.31, 27.47, -59.32)
CIE-LCH	lch(37.31, 65.37, 294.85°)
OKLab	oklab(47% -0.0034 -0.171)
OKLCH	oklch(47% 0.171 268.9)
XYZ	xyz(12.9465, 9.7071, 47.0809)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#354EB9 #B9A035

analogous

#3590B9 #354EB9 #5E35B9

triadic

#354EB9 #B9354E #4EB935

tetradic

#354EB9 #B93590 #B9A035 #35B95E

square

#354EB9 #B93590 #B9A035 #35B95E

split-complementary

#354EB9 #B95E35 #90B935

monochromatic

#1A265A #273A89 #354EB9 #5B71D0 #8B9ADE

Accessibility & contrast

On white

7.14

#354EB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#354EB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #354EB9

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##354EB9	#FFFFFF	#000000	##FFFFFF
##354EB9	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBD

Deuteranopia (green-blind)

#0052B7

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #354eb9;
/* rgb */ color: rgb(53, 78, 185);
/* oklch */ color: oklch(47.0% 0.171 268.9);

Tailwind

colors: {
  custom: {
    50: '#7e7fcf',
    500: '#354eb9',
    950: '#000000',
  },
}

SCSS

$custom: #354eb9;
$custom-light: #7e7fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#354eb9",
  "rgb": {
    "r": 53,
    "g": 78,
    "b": 185
  },
  "hsl": {
    "h": 228.636,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47004,
    "c": 0.17105,
    "h": 268.9
  },
  "luminance": 0.09708
}

Semantic roles & 50–950 ramp

primary

#354EB9

secondary

#C8BB82

accent

#C249DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #354EB9

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

Preview Lab → · Contrast checker → · Palette generator →