#334BD3#334BD3

#334BD3 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.6% C 0.209 H 269.0°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#334BD3
RGB	rgb(51, 75, 211)
HSL	hsl(231, 65%, 51%)
HSV	hsv(231, 76%, 83%)
CMYK	cmyk(75.8%, 64.5%, 0%, 17.3%)
CIE-LAB	lab(38.62, 38.55, -72.32)
CIE-LCH	lch(38.62, 81.95, 298.06°)
OKLab	oklab(48.61% -0.0036 -0.2092)
OKLCH	oklch(48.61% 0.209 269)
XYZ	xyz(15.6351, 10.4374, 62.8060)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BD3 #D3BB33

analogous

#339BD3 #334BD3 #6B33D3

triadic

#334BD3 #D3334B #4BD333

tetradic

#334BD3 #D3339B #D3BB33 #33D36B

square

#334BD3 #D3339B #D3BB33 #33D36B

split-complementary

#334BD3 #D36B33 #9BD333

monochromatic

#192673 #2437A5 #334BD3 #6577DE #98A4E9

Accessibility & contrast

On white

6.80

#334BD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#334BD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #334BD3

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BD3	#FFFFFF	#000000	##FFFFFF
##334BD3	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D7

Deuteranopia (green-blind)

#0053D0

Tritanopia (blue-blind)

#006F88

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #334bd3;
/* rgb */ color: rgb(51, 75, 211);
/* oklch */ color: oklch(48.6% 0.209 269.0);

Tailwind

colors: {
  custom: {
    50: '#837de2',
    500: '#334bd3',
    950: '#000000',
  },
}

SCSS

$custom: #334bd3;
$custom-light: #837de2;
$custom-dark: #000000;

JSON

{
  "hex": "#334bd3",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 211
  },
  "hsl": {
    "h": 231,
    "s": 64.516,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48608,
    "c": 0.20924,
    "h": 269
  },
  "luminance": 0.10439
}

Semantic roles & 50–950 ramp

primary

#334BD3

secondary

#D4CA8E

accent

#CE40E8

background

#F8F7FE

surface

#F0EEFC

border

#CBC9D5

text

#0C0915

muted

#7D7B84

Preview Lab

Preview with #334BD3

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

Preview Lab → · Contrast checker → · Palette generator →