#334CB4#334CB4

#334CB4 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.1% C 0.167 H 268.7°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#334CB4
RGB	rgb(51, 76, 180)
HSL	hsl(228, 56%, 45%)
HSV	hsv(228, 72%, 71%)
CMYK	cmyk(71.7%, 57.8%, 0%, 29.4%)
CIE-LAB	lab(36.30, 26.67, -58.02)
CIE-LCH	lch(36.30, 63.86, 294.69°)
OKLab	oklab(46.1% -0.0039 -0.1673)
OKLCH	oklch(46.1% 0.167 268.7)
XYZ	xyz(12.1851, 9.1667, 44.2984)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334CB4 #B49B33

analogous

#338CB4 #334CB4 #5A33B4

triadic

#334CB4 #B4334C #4CB433

tetradic

#334CB4 #B4338C #B49B33 #33B45A

square

#334CB4 #B4338C #B49B33 #33B45A

split-complementary

#334CB4 #B45A33 #8CB433

monochromatic

#182455 #253884 #334CB4 #556DCF #8596DC

Accessibility & contrast

On white

7.41

#334CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#334CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334CB4

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334CB4	#FFFFFF	#000000	##FFFFFF
##334CB4	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB8

Deuteranopia (green-blind)

#0050B2

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #334cb4;
/* rgb */ color: rgb(51, 76, 180);
/* oklch */ color: oklch(46.1% 0.167 268.7);

Tailwind

colors: {
  custom: {
    50: '#7c7dcb',
    500: '#334cb4',
    950: '#000000',
  },
}

SCSS

$custom: #334cb4;
$custom-light: #7c7dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#334cb4",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 180
  },
  "hsl": {
    "h": 228.372,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46102,
    "c": 0.16731,
    "h": 268.7
  },
  "luminance": 0.09168
}

Semantic roles & 50–950 ramp

primary

#334CB4

secondary

#C6B87D

accent

#C249DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334CB4

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

Preview Lab → · Contrast checker → · Palette generator →