#3451B2#3451B2

#3451B2 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.158 H 267.4°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#3451B2
RGB	rgb(52, 81, 178)
HSL	hsl(226, 55%, 45%)
HSV	hsv(226, 71%, 70%)
CMYK	cmyk(70.8%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(37.53, 22.79, -54.84)
CIE-LCH	lch(37.53, 59.39, 292.57°)
OKLab	oklab(46.99% -0.0071 -0.1578)
OKLCH	oklch(46.99% 0.158 267.4)
XYZ	xyz(12.3917, 9.8280, 43.3548)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3451B2 #B29534

analogous

#3490B2 #3451B2 #5634B2

triadic

#3451B2 #B23451 #51B234

tetradic

#3451B2 #B23490 #B29534 #34B256

square

#3451B2 #B23490 #B29534 #34B256

split-complementary

#3451B2 #B25634 #90B234

monochromatic

#182653 #263B83 #3451B2 #5671CE #8599DB

Accessibility & contrast

On white

7.08

#3451B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3451B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3451B2

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3451B2	#FFFFFF	#000000	##FFFFFF
##3451B2	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#025EB5

Deuteranopia (green-blind)

#0053B0

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3451b2;
/* rgb */ color: rgb(52, 81, 178);
/* oklch */ color: oklch(47.0% 0.158 267.4);

Tailwind

colors: {
  custom: {
    50: '#7b81ca',
    500: '#3451b2',
    950: '#000000',
  },
}

SCSS

$custom: #3451b2;
$custom-light: #7b81ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3451b2",
  "rgb": {
    "r": 52,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 226.19,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4699,
    "c": 0.15798,
    "h": 267.4
  },
  "luminance": 0.09829
}

Semantic roles & 50–950 ramp

primary

#3451B2

secondary

#C5B47D

accent

#BC4ADE

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3451B2

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

Preview Lab → · Contrast checker → · Palette generator →