#334DB9#334DB9

#334DB9 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.7% C 0.173 H 268.5°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#334DB9
RGB	rgb(51, 77, 185)
HSL	hsl(228, 57%, 46%)
HSV	hsv(228, 72%, 73%)
CMYK	cmyk(72.4%, 58.4%, 0%, 27.5%)
CIE-LAB	lab(36.95, 27.86, -59.91)
CIE-LCH	lch(36.95, 66.07, 294.94°)
OKLab	oklab(46.71% -0.0045 -0.1728)
OKLCH	oklch(46.71% 0.173 268.5)
XYZ	xyz(12.7731, 9.5130, 47.0526)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334DB9 #B99F33

analogous

#3390B9 #334DB9 #5C33B9

triadic

#334DB9 #B9334D #4DB933

tetradic

#334DB9 #B93390 #B99F33 #33B95C

square

#334DB9 #B93390 #B99F33 #33B95C

split-complementary

#334DB9 #B95C33 #90B933

monochromatic

#192559 #263989 #334DB9 #5870D1 #8899DE

Accessibility & contrast

On white

7.23

#334DB9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#334DB9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334DB9

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334DB9	#FFFFFF	#000000	##FFFFFF
##334DB9	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBD

Deuteranopia (green-blind)

#0051B7

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334db9;
/* rgb */ color: rgb(51, 77, 185);
/* oklch */ color: oklch(46.7% 0.173 268.5);

Tailwind

colors: {
  custom: {
    50: '#7d7ecf',
    500: '#334db9',
    950: '#000000',
  },
}

SCSS

$custom: #334db9;
$custom-light: #7d7ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#334db9",
  "rgb": {
    "r": 51,
    "g": 77,
    "b": 185
  },
  "hsl": {
    "h": 228.358,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4671,
    "c": 0.17286,
    "h": 268.5
  },
  "luminance": 0.09514
}

Semantic roles & 50–950 ramp

primary

#334DB9

secondary

#C8BA80

accent

#C248E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #334DB9

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

Preview Lab → · Contrast checker → · Palette generator →