#334EA7#334EA7

#334EA7 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.147 H 267.5°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#334EA7
RGB	rgb(51, 78, 167)
HSL	hsl(226, 53%, 43%)
HSV	hsv(226, 69%, 65%)
CMYK	cmyk(69.5%, 53.3%, 0%, 34.5%)
CIE-LAB	lab(35.87, 20.54, -51.00)
CIE-LCH	lch(35.87, 54.98, 291.93°)
OKLab	oklab(45.47% -0.0063 -0.1466)
OKLCH	oklch(45.47% 0.147 267.5)
XYZ	xyz(11.0623, 8.9415, 37.6946)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EA7 #A78C33

analogous

#3388A7 #334EA7 #5233A7

triadic

#334EA7 #A7334E #4EA733

tetradic

#334EA7 #A73388 #A78C33 #33A752

square

#334EA7 #A73388 #A78C33 #33A752

split-complementary

#334EA7 #A75233 #88A733

monochromatic

#162249 #253878 #334EA7 #4E6BC9 #7D92D7

Accessibility & contrast

On white

7.53

#334EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#334EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EA7

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EA7	#FFFFFF	#000000	##FFFFFF
##334EA7	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125AAA

Deuteranopia (green-blind)

#004FA5

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #334ea7;
/* rgb */ color: rgb(51, 78, 167);
/* oklch */ color: oklch(45.5% 0.147 267.5);

Tailwind

colors: {
  custom: {
    50: '#797fc2',
    500: '#334ea7',
    950: '#000000',
  },
}

SCSS

$custom: #334ea7;
$custom-light: #797fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#334ea7",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 167
  },
  "hsl": {
    "h": 226.034,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.45471,
    "c": 0.14673,
    "h": 267.5
  },
  "luminance": 0.08943
}

Semantic roles & 50–950 ramp

primary

#334EA7

secondary

#C0AF76

accent

#BB4BDD

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #334EA7

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

Preview Lab → · Contrast checker → · Palette generator →