#334FBF#334FBF

#334FBF is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.178 H 268.1°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#334FBF
RGB	rgb(51, 79, 191)
HSL	hsl(228, 58%, 47%)
HSV	hsv(228, 73%, 75%)
CMYK	cmyk(73.3%, 58.6%, 0%, 25.1%)
CIE-LAB	lab(37.94, 28.76, -61.81)
CIE-LCH	lch(37.94, 68.18, 294.95°)
OKLab	oklab(47.6% -0.0059 -0.1784)
OKLCH	oklch(47.6% 0.178 268.1)
XYZ	xyz(13.5619, 10.0559, 50.5064)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334FBF #BFA333

analogous

#3395BF #334FBF #5D33BF

triadic

#334FBF #BF334F #4FBF33

tetradic

#334FBF #BF3395 #BFA333 #33BF5D

square

#334FBF #BF3395 #BFA333 #33BF5D

split-complementary

#334FBF #BF5D33 #95BF33

monochromatic

#19275E #263B8F #334FBF #5C74D3 #8C9DE0

Accessibility & contrast

On white

6.97

#334FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#334FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #334FBF

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334FBF	#FFFFFF	#000000	##FFFFFF
##334FBF	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C3

Deuteranopia (green-blind)

#0053BD

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #334fbf;
/* rgb */ color: rgb(51, 79, 191);
/* oklch */ color: oklch(47.6% 0.178 268.1);

Tailwind

colors: {
  custom: {
    50: '#7e80d3',
    500: '#334fbf',
    950: '#000000',
  },
}

SCSS

$custom: #334fbf;
$custom-light: #7e80d3;
$custom-dark: #000000;

JSON

{
  "hex": "#334fbf",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 191
  },
  "hsl": {
    "h": 228,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47595,
    "c": 0.17847,
    "h": 268.1
  },
  "luminance": 0.10057
}

Semantic roles & 50–950 ramp

primary

#334FBF

secondary

#CBBC83

accent

#C247E1

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #334FBF

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

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