#334BC9#334BC9

#334BC9 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.7% C 0.196 H 269.1°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#334BC9
RGB	rgb(51, 75, 201)
HSL	hsl(230, 60%, 49%)
HSV	hsv(230, 75%, 79%)
CMYK	cmyk(74.6%, 62.7%, 0%, 21.2%)
CIE-LAB	lab(37.76, 34.97, -67.95)
CIE-LCH	lch(37.76, 76.42, 297.23°)
OKLab	oklab(47.71% -0.0032 -0.1964)
OKLCH	oklch(47.71% 0.196 269.1)
XYZ	xyz(14.4203, 9.9515, 56.4079)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BC9 #C9B133

analogous

#3396C9 #334BC9 #6633C9

triadic

#334BC9 #C9334B #4BC933

tetradic

#334BC9 #C93396 #C9B133 #33C966

square

#334BC9 #C93396 #C9B133 #33C966

split-complementary

#334BC9 #C96633 #96C933

monochromatic

#1A2767 #273998 #334BC9 #6275D7 #93A0E4

Accessibility & contrast

On white

7.02

#334BC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#334BC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334BC9

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BC9	#FFFFFF	#000000	##FFFFFF
##334BC9	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CD

Deuteranopia (green-blind)

#0052C7

Tritanopia (blue-blind)

#006C83

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #334bc9;
/* rgb */ color: rgb(51, 75, 201);
/* oklch */ color: oklch(47.7% 0.196 269.1);

Tailwind

colors: {
  custom: {
    50: '#817dda',
    500: '#334bc9',
    950: '#000000',
  },
}

SCSS

$custom: #334bc9;
$custom-light: #817dda;
$custom-dark: #000000;

JSON

{
  "hex": "#334bc9",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 201
  },
  "hsl": {
    "h": 230.4,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.4771,
    "c": 0.19644,
    "h": 269.1
  },
  "luminance": 0.09953
}

Semantic roles & 50–950 ramp

primary

#334BC9

secondary

#CFC389

accent

#C945E3

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #334BC9

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

Preview Lab → · Contrast checker → · Palette generator →