#3554B0#3554B0

#3554B0 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.151 H 266.6°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3554B0
RGB	rgb(53, 84, 176)
HSL	hsl(225, 54%, 45%)
HSV	hsv(225, 70%, 69%)
CMYK	cmyk(69.9%, 52.3%, 0%, 31%)
CIE-LAB	lab(38.25, 20.23, -52.49)
CIE-LCH	lch(38.25, 56.25, 291.08°)
OKLab	oklab(47.5% -0.009 -0.1508)
OKLCH	oklch(47.5% 0.151 266.6)
XYZ	xyz(12.4723, 10.2309, 42.3833)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554B0 #B09135

analogous

#3592B0 #3554B0 #5335B0

triadic

#3554B0 #B03554 #54B035

tetradic

#3554B0 #B03592 #B09135 #35B053

square

#3554B0 #B03592 #B09135 #35B053

split-complementary

#3554B0 #B05335 #92B035

monochromatic

#192752 #273E81 #3554B0 #5674CC #859BDA

Accessibility & contrast

On white

6.89

#3554B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3554B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554B0

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554B0	#FFFFFF	#000000	##FFFFFF
##3554B0	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1960B3

Deuteranopia (green-blind)

#0055AE

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3554b0;
/* rgb */ color: rgb(53, 84, 176);
/* oklch */ color: oklch(47.5% 0.151 266.6);

Tailwind

colors: {
  custom: {
    50: '#7b83c8',
    500: '#3554b0',
    950: '#000000',
  },
}

SCSS

$custom: #3554b0;
$custom-light: #7b83c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3554b0",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 176
  },
  "hsl": {
    "h": 224.878,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47503,
    "c": 0.15111,
    "h": 266.6
  },
  "luminance": 0.10232
}

Semantic roles & 50–950 ramp

primary

#3554B0

secondary

#C4B27D

accent

#B84BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3554B0

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

Preview Lab → · Contrast checker → · Palette generator →