#334AB1#334AB1

#334AB1 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.5% C 0.166 H 269.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#334AB1
RGB	rgb(51, 74, 177)
HSL	hsl(229, 55%, 45%)
HSV	hsv(229, 71%, 69%)
CMYK	cmyk(71.2%, 58.2%, 0%, 30.6%)
CIE-LAB	lab(35.55, 26.88, -57.47)
CIE-LCH	lch(35.55, 63.45, 295.06°)
OKLab	oklab(45.46% -0.0024 -0.1657)
OKLCH	oklch(45.46% 0.166 269.2)
XYZ	xyz(11.7471, 8.7745, 42.6610)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334AB1 #B19A33

analogous

#3389B1 #334AB1 #5B33B1

triadic

#334AB1 #B1334A #4AB133

tetradic

#334AB1 #B13389 #B19A33 #33B15B

square

#334AB1 #B13389 #B19A33 #33B15B

split-complementary

#334AB1 #B15B33 #89B133

monochromatic

#182252 #253681 #334AB1 #546ACE #8393DB

Accessibility & contrast

On white

7.62

#334AB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#334AB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334AB1

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334AB1	#FFFFFF	#000000	##FFFFFF
##334AB1	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB4

Deuteranopia (green-blind)

#004EAF

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #334ab1;
/* rgb */ color: rgb(51, 74, 177);
/* oklch */ color: oklch(45.5% 0.166 269.2);

Tailwind

colors: {
  custom: {
    50: '#7b7cc9',
    500: '#334ab1',
    950: '#000000',
  },
}

SCSS

$custom: #334ab1;
$custom-light: #7b7cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#334ab1",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 177
  },
  "hsl": {
    "h": 229.048,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45463,
    "c": 0.16571,
    "h": 269.2
  },
  "luminance": 0.08776
}

Semantic roles & 50–950 ramp

primary

#334AB1

secondary

#C5B77B

accent

#C349DF

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334AB1

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

Preview Lab → · Contrast checker → · Palette generator →