#3554BD#3554BD

#3554BD is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.5% C 0.169 H 267.3°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3554BD
RGB	rgb(53, 84, 189)
HSL	hsl(226, 56%, 47%)
HSV	hsv(226, 72%, 74%)
CMYK	cmyk(72%, 55.6%, 0%, 25.9%)
CIE-LAB	lab(39.19, 25.03, -58.61)
CIE-LCH	lch(39.19, 63.73, 293.13°)
OKLab	oklab(48.51% -0.008 -0.1688)
OKLCH	oklch(48.51% 0.169 267.3)
XYZ	xyz(13.8206, 10.7702, 49.4847)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554BD #BD9E35

analogous

#3598BD #3554BD #5A35BD

triadic

#3554BD #BD3554 #54BD35

tetradic

#3554BD #BD3598 #BD9E35 #35BD5A

square

#3554BD #BD3598 #BD9E35 #35BD5A

split-complementary

#3554BD #BD5A35 #98BD35

monochromatic

#1A2A5D #283F8D #3554BD #5D78D2 #8DA0DF

Accessibility & contrast

On white

6.66

#3554BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3554BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554BD

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554BD	#FFFFFF	#000000	##FFFFFF
##3554BD	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0056BB

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3554bd;
/* rgb */ color: rgb(53, 84, 189);
/* oklch */ color: oklch(48.5% 0.169 267.3);

Tailwind

colors: {
  custom: {
    50: '#7e83d2',
    500: '#3554bd',
    950: '#000000',
  },
}

SCSS

$custom: #3554bd;
$custom-light: #7e83d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3554bd",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 189
  },
  "hsl": {
    "h": 226.324,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48508,
    "c": 0.16904,
    "h": 267.3
  },
  "luminance": 0.10772
}

Semantic roles & 50–950 ramp

primary

#3554BD

secondary

#CABA84

accent

#BD48DF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3554BD

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

Preview Lab → · Contrast checker → · Palette generator →