#3554B4#3554B4

#3554B4 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.157 H 266.8°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3554B4
RGB	rgb(53, 84, 180)
HSL	hsl(225, 55%, 46%)
HSV	hsv(225, 71%, 71%)
CMYK	cmyk(70.6%, 53.3%, 0%, 29.4%)
CIE-LAB	lab(38.54, 21.71, -54.39)
CIE-LCH	lch(38.54, 58.56, 291.76°)
OKLab	oklab(47.81% -0.0086 -0.1564)
OKLCH	oklch(47.81% 0.157 266.8)
XYZ	xyz(12.8739, 10.3915, 44.4985)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554B4 #B49535

analogous

#3593B4 #3554B4 #5535B4

triadic

#3554B4 #B43554 #54B435

tetradic

#3554B4 #B43593 #B49535 #35B455

square

#3554B4 #B43593 #B49535 #35B455

split-complementary

#3554B4 #B45535 #93B435

monochromatic

#192855 #273E85 #3554B4 #5875CE #889CDC

Accessibility & contrast

On white

6.82

#3554B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3554B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554B4

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554B4	#FFFFFF	#000000	##FFFFFF
##3554B4	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1061B7

Deuteranopia (green-blind)

#0055B2

Tritanopia (blue-blind)

#006B7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3554b4;
/* rgb */ color: rgb(53, 84, 180);
/* oklch */ color: oklch(47.8% 0.157 266.8);

Tailwind

colors: {
  custom: {
    50: '#7c83cb',
    500: '#3554b4',
    950: '#000000',
  },
}

SCSS

$custom: #3554b4;
$custom-light: #7c83cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3554b4",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 180
  },
  "hsl": {
    "h": 225.354,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47807,
    "c": 0.15667,
    "h": 266.8
  },
  "luminance": 0.10393
}

Semantic roles & 50–950 ramp

primary

#3554B4

secondary

#C6B47F

accent

#BA4ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3554B4

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

Preview Lab → · Contrast checker → · Palette generator →