#3554BC#3554BC

#3554BC is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.168 H 267.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3554BC
RGB	rgb(53, 84, 188)
HSL	hsl(226, 56%, 47%)
HSV	hsv(226, 72%, 74%)
CMYK	cmyk(71.8%, 55.3%, 0%, 26.3%)
CIE-LAB	lab(39.12, 24.67, -58.15)
CIE-LCH	lch(39.12, 63.16, 292.99°)
OKLab	oklab(48.43% -0.008 -0.1675)
OKLCH	oklch(48.43% 0.168 267.3)
XYZ	xyz(13.7125, 10.7270, 48.9150)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554BC #BC9D35

analogous

#3598BC #3554BC #5935BC

triadic

#3554BC #BC3554 #54BC35

tetradic

#3554BC #BC3598 #BC9D35 #35BC59

square

#3554BC #BC3598 #BC9D35 #35BC59

split-complementary

#3554BC #BC5935 #98BC35

monochromatic

#1A295D #283F8C #3554BC #5D78D1 #8D9FDF

Accessibility & contrast

On white

6.68

#3554BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3554BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554BC

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554BC	#FFFFFF	#000000	##FFFFFF
##3554BC	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#0056BA

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3554bc;
/* rgb */ color: rgb(53, 84, 188);
/* oklch */ color: oklch(48.4% 0.168 267.3);

Tailwind

colors: {
  custom: {
    50: '#7e83d1',
    500: '#3554bc',
    950: '#000000',
  },
}

SCSS

$custom: #3554bc;
$custom-light: #7e83d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3554bc",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 188
  },
  "hsl": {
    "h": 226.222,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48429,
    "c": 0.16767,
    "h": 267.3
  },
  "luminance": 0.10728
}

Semantic roles & 50–950 ramp

primary

#3554BC

secondary

#C9B984

accent

#BD48DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3554BC

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

Preview Lab → · Contrast checker → · Palette generator →