#3554B3#3554B3

#3554B3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.155 H 266.8°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#3554B3
RGB	rgb(53, 84, 179)
HSL	hsl(225, 54%, 45%)
HSV	hsv(225, 70%, 70%)
CMYK	cmyk(70.4%, 53.1%, 0%, 29.8%)
CIE-LAB	lab(38.47, 21.34, -53.92)
CIE-LCH	lch(38.47, 57.99, 291.59°)
OKLab	oklab(47.73% -0.0087 -0.155)
OKLCH	oklch(47.73% 0.155 266.8)
XYZ	xyz(12.7724, 10.3509, 43.9639)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554B3 #B39435

analogous

#3593B3 #3554B3 #5535B3

triadic

#3554B3 #B33554 #54B335

tetradic

#3554B3 #B33593 #B39435 #35B355

square

#3554B3 #B33593 #B39435 #35B355

split-complementary

#3554B3 #B35535 #93B335

monochromatic

#192855 #273E84 #3554B3 #5875CD #879CDB

Accessibility & contrast

On white

6.84

#3554B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3554B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554B3

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554B3	#FFFFFF	#000000	##FFFFFF
##3554B3	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1361B6

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3554b3;
/* rgb */ color: rgb(53, 84, 179);
/* oklch */ color: oklch(47.7% 0.155 266.8);

Tailwind

colors: {
  custom: {
    50: '#7c83ca',
    500: '#3554b3',
    950: '#000000',
  },
}

SCSS

$custom: #3554b3;
$custom-light: #7c83ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3554b3",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 179
  },
  "hsl": {
    "h": 225.238,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47731,
    "c": 0.15528,
    "h": 266.8
  },
  "luminance": 0.10352
}

Semantic roles & 50–950 ramp

primary

#3554B3

secondary

#C5B47F

accent

#B94ADE

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3554B3

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

Preview Lab → · Contrast checker → · Palette generator →