#334DB3#334DB3

#334DB3 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.165 H 268.4°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#334DB3
RGB	rgb(51, 77, 179)
HSL	hsl(228, 56%, 45%)
HSV	hsv(228, 72%, 70%)
CMYK	cmyk(71.5%, 57%, 0%, 29.8%)
CIE-LAB	lab(36.49, 25.65, -57.13)
CIE-LCH	lch(36.49, 62.62, 294.18°)
OKLab	oklab(46.22% -0.0047 -0.1646)
OKLCH	oklch(46.22% 0.165 268.4)
XYZ	xyz(12.1530, 9.2650, 43.7869)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334DB3 #B39933

analogous

#338DB3 #334DB3 #5933B3

triadic

#334DB3 #B3334D #4DB333

tetradic

#334DB3 #B3338D #B39933 #33B359

square

#334DB3 #B3338D #B39933 #33B359

split-complementary

#334DB3 #B35933 #8DB333

monochromatic

#182454 #253983 #334DB3 #556DCE #8496DC

Accessibility & contrast

On white

7.36

#334DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#334DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334DB3

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334DB3	#FFFFFF	#000000	##FFFFFF
##334DB3	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB6

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #334db3;
/* rgb */ color: rgb(51, 77, 179);
/* oklch */ color: oklch(46.2% 0.165 268.4);

Tailwind

colors: {
  custom: {
    50: '#7c7eca',
    500: '#334db3',
    950: '#000000',
  },
}

SCSS

$custom: #334db3;
$custom-light: #7c7eca;
$custom-dark: #000000;

JSON

{
  "hex": "#334db3",
  "rgb": {
    "r": 51,
    "g": 77,
    "b": 179
  },
  "hsl": {
    "h": 227.813,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46217,
    "c": 0.16469,
    "h": 268.4
  },
  "luminance": 0.09266
}

Semantic roles & 50–950 ramp

primary

#334DB3

secondary

#C6B77C

accent

#C049DF

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334DB3

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

Preview Lab → · Contrast checker → · Palette generator →