#334FBC#334FBC

#334FBC is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.3% C 0.174 H 268.0°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#334FBC
RGB	rgb(51, 79, 188)
HSL	hsl(228, 57%, 47%)
HSV	hsv(228, 73%, 74%)
CMYK	cmyk(72.9%, 58%, 0%, 26.3%)
CIE-LAB	lab(37.71, 27.66, -60.44)
CIE-LCH	lch(37.71, 66.47, 294.59°)
OKLab	oklab(47.35% -0.006 -0.1743)
OKLCH	oklch(47.35% 0.174 268)
XYZ	xyz(13.2352, 9.9252, 48.7854)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334FBC #BCA033

analogous

#3394BC #334FBC #5C33BC

triadic

#334FBC #BC334F #4FBC33

tetradic

#334FBC #BC3394 #BCA033 #33BC5C

square

#334FBC #BC3394 #BCA033 #33BC5C

split-complementary

#334FBC #BC5C33 #94BC33

monochromatic

#19275C #263B8C #334FBC #5A73D2 #8A9CDF

Accessibility & contrast

On white

7.03

#334FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#334FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334FBC

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334FBC	#FFFFFF	#000000	##FFFFFF
##334FBC	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #334fbc;
/* rgb */ color: rgb(51, 79, 188);
/* oklch */ color: oklch(47.3% 0.174 268.0);

Tailwind

colors: {
  custom: {
    50: '#7d80d1',
    500: '#334fbc',
    950: '#000000',
  },
}

SCSS

$custom: #334fbc;
$custom-light: #7d80d1;
$custom-dark: #000000;

JSON

{
  "hex": "#334fbc",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 188
  },
  "hsl": {
    "h": 227.737,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.47347,
    "c": 0.17444,
    "h": 268
  },
  "luminance": 0.09927
}

Semantic roles & 50–950 ramp

primary

#334FBC

secondary

#C9BB81

accent

#C147E1

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #334FBC

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

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