#3351B2#3351B2

#3351B2 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.9% C 0.158 H 267.1°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#3351B2
RGB	rgb(51, 81, 178)
HSL	hsl(226, 55%, 45%)
HSV	hsv(226, 71%, 70%)
CMYK	cmyk(71.3%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(37.48, 22.65, -54.92)
CIE-LCH	lch(37.48, 59.41, 292.41°)
OKLab	oklab(46.94% -0.008 -0.1581)
OKLCH	oklch(46.94% 0.158 267.1)
XYZ	xyz(12.3408, 9.8018, 43.3524)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3351B2 #B29433

analogous

#3390B2 #3351B2 #5533B2

triadic

#3351B2 #B23351 #51B233

tetradic

#3351B2 #B23390 #B29433 #33B255

square

#3351B2 #B23390 #B29433 #33B255

split-complementary

#3351B2 #B25533 #90B233

monochromatic

#182653 #253B82 #3351B2 #5471CE #8498DC

Accessibility & contrast

On white

7.09

#3351B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#3351B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3351B2

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3351B2	#FFFFFF	#000000	##FFFFFF
##3351B2	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#015EB5

Deuteranopia (green-blind)

#0053B0

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3351b2;
/* rgb */ color: rgb(51, 81, 178);
/* oklch */ color: oklch(46.9% 0.158 267.1);

Tailwind

colors: {
  custom: {
    50: '#7b81ca',
    500: '#3351b2',
    950: '#000000',
  },
}

SCSS

$custom: #3351b2;
$custom-light: #7b81ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3351b2",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 225.827,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46941,
    "c": 0.15828,
    "h": 267.1
  },
  "luminance": 0.09803
}

Semantic roles & 50–950 ramp

primary

#3351B2

secondary

#C5B47C

accent

#BB49DF

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3351B2

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

Preview Lab → · Contrast checker → · Palette generator →