#334BB4#334BB4

#334BB4 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.169 H 268.9°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#334BB4
RGB	rgb(51, 75, 180)
HSL	hsl(229, 56%, 45%)
HSV	hsv(229, 72%, 71%)
CMYK	cmyk(71.7%, 58.3%, 0%, 29.4%)
CIE-LAB	lab(36.04, 27.32, -58.44)
CIE-LCH	lch(36.04, 64.52, 295.06°)
OKLab	oklab(45.91% -0.0031 -0.1685)
OKLCH	oklch(45.91% 0.169 268.9)
XYZ	xyz(12.1167, 9.0300, 44.2756)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BB4 #B49C33

analogous

#338CB4 #334BB4 #5B33B4

triadic

#334BB4 #B4334B #4BB433

tetradic

#334BB4 #B4338C #B49C33 #33B45B

square

#334BB4 #B4338C #B49C33 #33B45B

split-complementary

#334BB4 #B45B33 #8CB433

monochromatic

#182355 #253784 #334BB4 #556CCF #8595DC

Accessibility & contrast

On white

7.48

#334BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#334BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334BB4

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BB4	#FFFFFF	#000000	##FFFFFF
##334BB4	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004FB2

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #334bb4;
/* rgb */ color: rgb(51, 75, 180);
/* oklch */ color: oklch(45.9% 0.169 268.9);

Tailwind

colors: {
  custom: {
    50: '#7c7dcb',
    500: '#334bb4',
    950: '#000000',
  },
}

SCSS

$custom: #334bb4;
$custom-light: #7c7dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#334bb4",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 180
  },
  "hsl": {
    "h": 228.837,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.45907,
    "c": 0.16855,
    "h": 268.9
  },
  "luminance": 0.09031
}

Semantic roles & 50–950 ramp

primary

#334BB4

secondary

#C6B87D

accent

#C349DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334BB4

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

Preview Lab → · Contrast checker → · Palette generator →