#334BD0#334BD0

#334BD0 is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 48.3% C 0.205 H 269.0°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#334BD0
RGB	rgb(51, 75, 208)
HSL	hsl(231, 63%, 51%)
HSV	hsv(231, 75%, 82%)
CMYK	cmyk(75.5%, 63.9%, 0%, 18.4%)
CIE-LAB	lab(38.36, 37.48, -71.02)
CIE-LCH	lch(38.36, 80.30, 297.82°)
OKLab	oklab(48.34% -0.0035 -0.2054)
OKLCH	oklch(48.34% 0.205 269)
XYZ	xyz(15.2626, 10.2884, 60.8437)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BD0 #D0B833

analogous

#3399D0 #334BD0 #6933D0

triadic

#334BD0 #D0334B #4BD033

tetradic

#334BD0 #D03399 #D0B833 #33D069

square

#334BD0 #D03399 #D0B833 #33D069

split-complementary

#334BD0 #D06933 #99D033

monochromatic

#1A276F #2538A1 #334BD0 #6577DB #96A3E7

Accessibility & contrast

On white

6.87

#334BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#334BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #334BD0

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BD0	#FFFFFF	#000000	##FFFFFF
##334BD0	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D4

Deuteranopia (green-blind)

#0053CD

Tritanopia (blue-blind)

#006E87

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #334bd0;
/* rgb */ color: rgb(51, 75, 208);
/* oklch */ color: oklch(48.3% 0.205 269.0);

Tailwind

colors: {
  custom: {
    50: '#827ddf',
    500: '#334bd0',
    950: '#000000',
  },
}

SCSS

$custom: #334bd0;
$custom-light: #827ddf;
$custom-dark: #000000;

JSON

{
  "hex": "#334bd0",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 208
  },
  "hsl": {
    "h": 230.828,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48336,
    "c": 0.20543,
    "h": 269
  },
  "luminance": 0.1029
}

Semantic roles & 50–950 ramp

primary

#334BD0

secondary

#D2C88D

accent

#CD42E6

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #334BD0

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

Preview Lab → · Contrast checker → · Palette generator →