#334BBF#334BBF

#334BBF is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.8% C 0.183 H 269.1°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#334BBF
RGB	rgb(51, 75, 191)
HSL	hsl(230, 58%, 47%)
HSV	hsv(230, 73%, 75%)
CMYK	cmyk(73.3%, 60.7%, 0%, 25.1%)
CIE-LAB	lab(36.92, 31.35, -63.48)
CIE-LCH	lch(36.92, 70.80, 296.28°)
OKLab	oklab(46.84% -0.003 -0.1833)
OKLCH	oklch(46.84% 0.183 269.1)
XYZ	xyz(13.2821, 9.4962, 50.4131)
Luminance	0.0950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BBF #BFA733

analogous

#3391BF #334BBF #6133BF

triadic

#334BBF #BF334B #4BBF33

tetradic

#334BBF #BF3391 #BFA733 #33BF61

square

#334BBF #BF3391 #BFA733 #33BF61

split-complementary

#334BBF #BF6133 #91BF33

monochromatic

#19255E #26388F #334BBF #5C70D3 #8C9BE0

Accessibility & contrast

On white

7.24

#334BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#334BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334BBF

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BBF	#FFFFFF	#000000	##FFFFFF
##334BBF	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC3

Deuteranopia (green-blind)

#0051BD

Tritanopia (blue-blind)

#00687E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334bbf;
/* rgb */ color: rgb(51, 75, 191);
/* oklch */ color: oklch(46.8% 0.183 269.1);

Tailwind

colors: {
  custom: {
    50: '#7e7dd3',
    500: '#334bbf',
    950: '#000000',
  },
}

SCSS

$custom: #334bbf;
$custom-light: #7e7dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#334bbf",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 191
  },
  "hsl": {
    "h": 229.714,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46837,
    "c": 0.18334,
    "h": 269.1
  },
  "luminance": 0.09498
}

Semantic roles & 50–950 ramp

primary

#334BBF

secondary

#CBBE83

accent

#C747E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #334BBF

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

Preview Lab → · Contrast checker → · Palette generator →