#3554B7#3554B7

#3554B7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.161 H 267.0°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3554B7
RGB	rgb(53, 84, 183)
HSL	hsl(226, 55%, 46%)
HSV	hsv(226, 71%, 72%)
CMYK	cmyk(71%, 54.1%, 0%, 28.2%)
CIE-LAB	lab(38.75, 22.82, -55.81)
CIE-LCH	lch(38.75, 60.29, 292.24°)
OKLab	oklab(48.04% -0.0084 -0.1606)
OKLCH	oklch(48.04% 0.161 267)
XYZ	xyz(13.1828, 10.5151, 46.1254)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554B7 #B79835

analogous

#3595B7 #3554B7 #5735B7

triadic

#3554B7 #B73554 #54B735

tetradic

#3554B7 #B73595 #B79835 #35B757

square

#3554B7 #B73595 #B79835 #35B757

split-complementary

#3554B7 #B75735 #95B735

monochromatic

#1A2858 #273E88 #3554B7 #5A76CF #899DDD

Accessibility & contrast

On white

6.77

#3554B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3554B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554B7

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554B7	#FFFFFF	#000000	##FFFFFF
##3554B7	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0661BA

Deuteranopia (green-blind)

#0056B5

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3554b7;
/* rgb */ color: rgb(53, 84, 183);
/* oklch */ color: oklch(48.0% 0.161 267.0);

Tailwind

colors: {
  custom: {
    50: '#7d83cd',
    500: '#3554b7',
    950: '#000000',
  },
}

SCSS

$custom: #3554b7;
$custom-light: #7d83cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3554b7",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 183
  },
  "hsl": {
    "h": 225.692,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48038,
    "c": 0.16082,
    "h": 267
  },
  "luminance": 0.10516
}

Semantic roles & 50–950 ramp

primary

#3554B7

secondary

#C7B681

accent

#BB49DE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3554B7

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

Preview Lab → · Contrast checker → · Palette generator →