#334CD3#334CD3

#334CD3 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 48.8% C 0.208 H 268.8°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#334CD3
RGB	rgb(51, 76, 211)
HSL	hsl(231, 65%, 51%)
HSV	hsv(231, 76%, 83%)
CMYK	cmyk(75.8%, 64%, 0%, 17.3%)
CIE-LAB	lab(38.85, 37.92, -71.93)
CIE-LCH	lch(38.85, 81.32, 297.80°)
OKLab	oklab(48.78% -0.0042 -0.2081)
OKLCH	oklch(48.78% 0.208 268.8)
XYZ	xyz(15.7035, 10.5741, 62.8288)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334CD3 #D3BA33

analogous

#339CD3 #334CD3 #6A33D3

triadic

#334CD3 #D3334C #4CD333

tetradic

#334CD3 #D3339C #D3BA33 #33D36A

square

#334CD3 #D3339C #D3BA33 #33D36A

split-complementary

#334CD3 #D36A33 #9CD333

monochromatic

#192773 #2438A5 #334CD3 #6578DE #98A4E9

Accessibility & contrast

On white

6.74

#334CD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#334CD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #334CD3

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334CD3	#FFFFFF	#000000	##FFFFFF
##334CD3	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D7

Deuteranopia (green-blind)

#0054D0

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #334cd3;
/* rgb */ color: rgb(51, 76, 211);
/* oklch */ color: oklch(48.8% 0.208 268.8);

Tailwind

colors: {
  custom: {
    50: '#837ee2',
    500: '#334cd3',
    950: '#000000',
  },
}

SCSS

$custom: #334cd3;
$custom-light: #837ee2;
$custom-dark: #000000;

JSON

{
  "hex": "#334cd3",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 211
  },
  "hsl": {
    "h": 230.625,
    "s": 64.516,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48783,
    "c": 0.20811,
    "h": 268.8
  },
  "luminance": 0.10576
}

Semantic roles & 50–950 ramp

primary

#334CD3

secondary

#D4C98E

accent

#CD40E8

background

#F8F7FE

surface

#F0EEFC

border

#CBC9D5

text

#0C0A15

muted

#7D7C84

Preview Lab

Preview with #334CD3

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

Preview Lab → · Contrast checker → · Palette generator →