#3554BF#3554BF

#3554BF is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.7% C 0.172 H 267.4°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3554BF
RGB	rgb(53, 84, 191)
HSL	hsl(227, 57%, 48%)
HSV	hsv(227, 72%, 75%)
CMYK	cmyk(72.3%, 56%, 0%, 25.1%)
CIE-LAB	lab(39.34, 25.77, -59.54)
CIE-LCH	lch(39.34, 64.88, 293.41°)
OKLab	oklab(48.67% -0.0079 -0.1716)
OKLCH	oklch(48.67% 0.172 267.4)
XYZ	xyz(14.0392, 10.8577, 50.6360)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554BF #BFA035

analogous

#3599BF #3554BF #5B35BF

triadic

#3554BF #BF3554 #54BF35

tetradic

#3554BF #BF3599 #BFA035 #35BF5B

square

#3554BF #BF3599 #BFA035 #35BF5B

split-complementary

#3554BF #BF5B35 #99BF35

monochromatic

#1A2A5F #283F8F #3554BF #5F79D3 #8FA1E0

Accessibility & contrast

On white

6.62

#3554BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3554BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554BF

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554BF	#FFFFFF	#000000	##FFFFFF
##3554BF	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C3

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3554bf;
/* rgb */ color: rgb(53, 84, 191);
/* oklch */ color: oklch(48.7% 0.172 267.4);

Tailwind

colors: {
  custom: {
    50: '#7e83d3',
    500: '#3554bf',
    950: '#000000',
  },
}

SCSS

$custom: #3554bf;
$custom-light: #7e83d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3554bf",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 191
  },
  "hsl": {
    "h": 226.522,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48667,
    "c": 0.17175,
    "h": 267.4
  },
  "luminance": 0.10859
}

Semantic roles & 50–950 ramp

primary

#3554BF

secondary

#CABB85

accent

#BE48E0

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3554BF

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

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