#334A9E#334A9E

#334A9E is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.139 H 268.6°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#334A9E
RGB	rgb(51, 74, 158)
HSL	hsl(227, 51%, 41%)
HSV	hsv(227, 68%, 62%)
CMYK	cmyk(67.7%, 53.2%, 0%, 38%)
CIE-LAB	lab(34.13, 19.85, -48.42)
CIE-LCH	lch(34.13, 52.33, 292.29°)
OKLab	oklab(43.95% -0.0035 -0.1391)
OKLCH	oklch(43.95% 0.139 268.6)
XYZ	xyz(9.9835, 8.0690, 33.3725)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334A9E #9E8733

analogous

#337F9E #334A9E #51339E

triadic

#334A9E #9E334A #4A9E33

tetradic

#334A9E #9E337F #9E8733 #339E51

square

#334A9E #9E337F #9E8733 #339E51

split-complementary

#334A9E #9E5133 #7F9E33

monochromatic

#151F41 #243470 #334A9E #4A64C4 #788CD3

Accessibility & contrast

On white

8.03

#334A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#334A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334A9E

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334A9E	#FFFFFF	#000000	##FFFFFF
##334A9E	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1455A1

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #334a9e;
/* rgb */ color: rgb(51, 74, 158);
/* oklch */ color: oklch(43.9% 0.139 268.6);

Tailwind

colors: {
  custom: {
    50: '#777cbb',
    500: '#334a9e',
    950: '#000000',
  },
}

SCSS

$custom: #334a9e;
$custom-light: #777cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#334a9e",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 158
  },
  "hsl": {
    "h": 227.103,
    "s": 51.196,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43947,
    "c": 0.1391,
    "h": 268.6
  },
  "luminance": 0.0807
}

Semantic roles & 50–950 ramp

primary

#334A9E

secondary

#BCAC71

accent

#BC4DDB

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334A9E

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

Preview Lab → · Contrast checker → · Palette generator →