#3551AF#3551AF

#3551AF is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.8% C 0.154 H 267.6°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#3551AF
RGB	rgb(53, 81, 175)
HSL	hsl(226, 54%, 45%)
HSV	hsv(226, 70%, 69%)
CMYK	cmyk(69.7%, 53.7%, 0%, 31.4%)
CIE-LAB	lab(37.36, 21.83, -53.34)
CIE-LCH	lch(37.36, 57.63, 292.26°)
OKLab	oklab(46.81% -0.0064 -0.1534)
OKLCH	oklch(46.81% 0.154 267.6)
XYZ	xyz(12.1458, 9.7357, 41.7882)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3551AF #AF9335

analogous

#358EAF #3551AF #5635AF

triadic

#3551AF #AF3551 #51AF35

tetradic

#3551AF #AF358E #AF9335 #35AF56

square

#3551AF #AF358E #AF9335 #35AF56

split-complementary

#3551AF #AF5635 #8EAF35

monochromatic

#192651 #273B80 #3551AF #5671CC #8598DA

Accessibility & contrast

On white

7.12

#3551AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#3551AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3551AF

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3551AF	#FFFFFF	#000000	##FFFFFF
##3551AF	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E5EB2

Deuteranopia (green-blind)

#0053AD

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3551af;
/* rgb */ color: rgb(53, 81, 175);
/* oklch */ color: oklch(46.8% 0.154 267.6);

Tailwind

colors: {
  custom: {
    50: '#7b81c8',
    500: '#3551af',
    950: '#000000',
  },
}

SCSS

$custom: #3551af;
$custom-light: #7b81c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3551af",
  "rgb": {
    "r": 53,
    "g": 81,
    "b": 175
  },
  "hsl": {
    "h": 226.23,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46808,
    "c": 0.15352,
    "h": 267.6
  },
  "luminance": 0.09737
}

Semantic roles & 50–950 ramp

primary

#3551AF

secondary

#C4B37C

accent

#BB4BDD

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3551AF

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

Preview Lab → · Contrast checker → · Palette generator →