#3554B9#3554B9

#3554B9 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.2% C 0.164 H 267.1°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3554B9
RGB	rgb(53, 84, 185)
HSL	hsl(226, 55%, 47%)
HSV	hsv(226, 71%, 73%)
CMYK	cmyk(71.4%, 54.6%, 0%, 27.5%)
CIE-LAB	lab(38.90, 23.56, -56.75)
CIE-LCH	lch(38.90, 61.44, 292.55°)
OKLab	oklab(48.19% -0.0082 -0.1634)
OKLCH	oklch(48.19% 0.164 267.1)
XYZ	xyz(13.3924, 10.5989, 47.2295)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554B9 #B99A35

analogous

#3596B9 #3554B9 #5835B9

triadic

#3554B9 #B93554 #54B935

tetradic

#3554B9 #B93596 #B99A35 #35B958

square

#3554B9 #B93596 #B99A35 #35B958

split-complementary

#3554B9 #B95835 #96B935

monochromatic

#1A295A #273E89 #3554B9 #5B77D0 #8B9EDE

Accessibility & contrast

On white

6.73

#3554B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3554B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554B9

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554B9	#FFFFFF	#000000	##FFFFFF
##3554B9	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BD

Deuteranopia (green-blind)

#0056B7

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3554b9;
/* rgb */ color: rgb(53, 84, 185);
/* oklch */ color: oklch(48.2% 0.164 267.1);

Tailwind

colors: {
  custom: {
    50: '#7d83cf',
    500: '#3554b9',
    950: '#000000',
  },
}

SCSS

$custom: #3554b9;
$custom-light: #7d83cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3554b9",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 185
  },
  "hsl": {
    "h": 225.909,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48194,
    "c": 0.16357,
    "h": 267.1
  },
  "luminance": 0.106
}

Semantic roles & 50–950 ramp

primary

#3554B9

secondary

#C8B782

accent

#BC49DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3554B9

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

Preview Lab → · Contrast checker → · Palette generator →