#334EB7#334EB7

#334EB7 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.7% C 0.169 H 268.2°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#334EB7
RGB	rgb(51, 78, 183)
HSL	hsl(228, 56%, 46%)
HSV	hsv(228, 72%, 72%)
CMYK	cmyk(72.1%, 57.4%, 0%, 28.2%)
CIE-LAB	lab(37.06, 26.47, -58.56)
CIE-LCH	lch(37.06, 64.26, 294.32°)
OKLab	oklab(46.74% -0.0054 -0.1688)
OKLCH	oklch(46.74% 0.169 268.2)
XYZ	xyz(12.6339, 9.5702, 45.9720)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EB7 #B79C33

analogous

#3390B7 #334EB7 #5A33B7

triadic

#334EB7 #B7334E #4EB733

tetradic

#334EB7 #B73390 #B79C33 #33B75A

square

#334EB7 #B73390 #B79C33 #33B75A

split-complementary

#334EB7 #B75A33 #90B733

monochromatic

#182557 #263A87 #334EB7 #5770D0 #8799DE

Accessibility & contrast

On white

7.21

#334EB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#334EB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EB7

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EB7	#FFFFFF	#000000	##FFFFFF
##334EB7	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBB

Deuteranopia (green-blind)

#0051B5

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334eb7;
/* rgb */ color: rgb(51, 78, 183);
/* oklch */ color: oklch(46.7% 0.169 268.2);

Tailwind

colors: {
  custom: {
    50: '#7c7fcd',
    500: '#334eb7',
    950: '#000000',
  },
}

SCSS

$custom: #334eb7;
$custom-light: #7c7fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#334eb7",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 183
  },
  "hsl": {
    "h": 227.727,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4674,
    "c": 0.16891,
    "h": 268.2
  },
  "luminance": 0.09571
}

Semantic roles & 50–950 ramp

primary

#334EB7

secondary

#C7B87F

accent

#C148E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #334EB7

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

Preview Lab → · Contrast checker → · Palette generator →