#334CB2#334CB2

#334CB2 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.9% C 0.165 H 268.6°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#334CB2
RGB	rgb(51, 76, 178)
HSL	hsl(228, 55%, 45%)
HSV	hsv(228, 71%, 70%)
CMYK	cmyk(71.3%, 57.3%, 0%, 30.2%)
CIE-LAB	lab(36.15, 25.93, -57.09)
CIE-LCH	lch(36.15, 62.70, 294.43°)
OKLab	oklab(45.94% -0.004 -0.1645)
OKLCH	oklch(45.94% 0.165 268.6)
XYZ	xyz(11.9828, 9.0858, 43.2331)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334CB2 #B29933

analogous

#338CB2 #334CB2 #5933B2

triadic

#334CB2 #B2334C #4CB233

tetradic

#334CB2 #B2338C #B29933 #33B259

square

#334CB2 #B2338C #B29933 #33B259

split-complementary

#334CB2 #B25933 #8CB233

monochromatic

#182353 #253882 #334CB2 #546CCE #8495DC

Accessibility & contrast

On white

7.45

#334CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#334CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334CB2

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334CB2	#FFFFFF	#000000	##FFFFFF
##334CB2	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB5

Deuteranopia (green-blind)

#004FB0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #334cb2;
/* rgb */ color: rgb(51, 76, 178);
/* oklch */ color: oklch(45.9% 0.165 268.6);

Tailwind

colors: {
  custom: {
    50: '#7b7dca',
    500: '#334cb2',
    950: '#000000',
  },
}

SCSS

$custom: #334cb2;
$custom-light: #7b7dca;
$custom-dark: #000000;

JSON

{
  "hex": "#334cb2",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 178
  },
  "hsl": {
    "h": 228.189,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45938,
    "c": 0.16457,
    "h": 268.6
  },
  "luminance": 0.09087
}

Semantic roles & 50–950 ramp

primary

#334CB2

secondary

#C5B77C

accent

#C149DF

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334CB2

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

Preview Lab → · Contrast checker → · Palette generator →