#3554B1#3554B1

#3554B1 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.6% C 0.152 H 266.7°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3554B1
RGB	rgb(53, 84, 177)
HSL	hsl(225, 54%, 45%)
HSV	hsv(225, 70%, 69%)
CMYK	cmyk(70.1%, 52.5%, 0%, 30.6%)
CIE-LAB	lab(38.32, 20.60, -52.97)
CIE-LCH	lch(38.32, 56.83, 291.25°)
OKLab	oklab(47.58% -0.0089 -0.1522)
OKLCH	oklch(47.58% 0.153 266.7)
XYZ	xyz(12.5716, 10.2706, 42.9063)
Luminance	0.1027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554B1 #B19235

analogous

#3592B1 #3554B1 #5435B1

triadic

#3554B1 #B13554 #54B135

tetradic

#3554B1 #B13592 #B19235 #35B154

square

#3554B1 #B13592 #B19235 #35B154

split-complementary

#3554B1 #B15435 #92B135

monochromatic

#192753 #273E82 #3554B1 #5774CD #869BDB

Accessibility & contrast

On white

6.88

#3554B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3554B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554B1

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554B1	#FFFFFF	#000000	##FFFFFF
##3554B1	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1760B4

Deuteranopia (green-blind)

#0055AF

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3554b1;
/* rgb */ color: rgb(53, 84, 177);
/* oklch */ color: oklch(47.6% 0.152 266.7);

Tailwind

colors: {
  custom: {
    50: '#7b83c9',
    500: '#3554b1',
    950: '#000000',
  },
}

SCSS

$custom: #3554b1;
$custom-light: #7b83c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3554b1",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 177
  },
  "hsl": {
    "h": 225,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47579,
    "c": 0.1525,
    "h": 266.7
  },
  "luminance": 0.10272
}

Semantic roles & 50–950 ramp

primary

#3554B1

secondary

#C4B37D

accent

#B94BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3554B1

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

Preview Lab → · Contrast checker → · Palette generator →