#334BB5#334BB5

#334BB5 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.0% C 0.170 H 269.0°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#334BB5
RGB	rgb(51, 75, 181)
HSL	hsl(229, 56%, 45%)
HSV	hsv(229, 72%, 71%)
CMYK	cmyk(71.8%, 58.6%, 0%, 29%)
CIE-LAB	lab(36.12, 27.69, -58.91)
CIE-LCH	lch(36.12, 65.09, 295.18°)
OKLab	oklab(45.99% -0.0031 -0.1699)
OKLCH	oklch(45.99% 0.17 269)
XYZ	xyz(12.2189, 9.0709, 44.8140)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BB5 #B59D33

analogous

#338CB5 #334BB5 #5C33B5

triadic

#334BB5 #B5334B #4BB533

tetradic

#334BB5 #B5338C #B59D33 #33B55C

square

#334BB5 #B5338C #B59D33 #33B55C

split-complementary

#334BB5 #B55C33 #8CB533

monochromatic

#182356 #263785 #334BB5 #566CCF #8696DD

Accessibility & contrast

On white

7.46

#334BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#334BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334BB5

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BB5	#FFFFFF	#000000	##FFFFFF
##334BB5	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB9

Deuteranopia (green-blind)

#004FB3

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #334bb5;
/* rgb */ color: rgb(51, 75, 181);
/* oklch */ color: oklch(46.0% 0.170 269.0);

Tailwind

colors: {
  custom: {
    50: '#7c7dcc',
    500: '#334bb5',
    950: '#000000',
  },
}

SCSS

$custom: #334bb5;
$custom-light: #7c7dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#334bb5",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 228.923,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.4599,
    "c": 0.16991,
    "h": 269
  },
  "luminance": 0.09072
}

Semantic roles & 50–950 ramp

primary

#334BB5

secondary

#C6B97D

accent

#C348DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334BB5

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

Preview Lab → · Contrast checker → · Palette generator →