#334A9D#334A9D

#334A9D is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.9% C 0.138 H 268.5°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#334A9D
RGB	rgb(51, 74, 157)
HSL	hsl(227, 51%, 41%)
HSV	hsv(227, 68%, 62%)
CMYK	cmyk(67.5%, 52.9%, 0%, 38.4%)
CIE-LAB	lab(34.06, 19.48, -47.93)
CIE-LCH	lch(34.06, 51.74, 292.12°)
OKLab	oklab(43.87% -0.0035 -0.1376)
OKLCH	oklch(43.87% 0.138 268.5)
XYZ	xyz(9.8977, 8.0348, 32.9210)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334A9D #9D8633

analogous

#337F9D #334A9D #51339D

triadic

#334A9D #9D334A #4A9D33

tetradic

#334A9D #9D337F #9D8633 #339D51

square

#334A9D #9D337F #9D8633 #339D51

split-complementary

#334A9D #9D5133 #7F9D33

monochromatic

#151E41 #24346F #334A9D #4964C4 #778BD3

Accessibility & contrast

On white

8.05

#334A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#334A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334A9D

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334A9D	#FFFFFF	#000000	##FFFFFF
##334A9D	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1655A0

Deuteranopia (green-blind)

#004B9B

Tritanopia (blue-blind)

#005E6C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #334a9d;
/* rgb */ color: rgb(51, 74, 157);
/* oklch */ color: oklch(43.9% 0.138 268.5);

Tailwind

colors: {
  custom: {
    50: '#777cba',
    500: '#334a9d',
    950: '#000000',
  },
}

SCSS

$custom: #334a9d;
$custom-light: #777cba;
$custom-dark: #000000;

JSON

{
  "hex": "#334a9d",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 157
  },
  "hsl": {
    "h": 226.981,
    "s": 50.962,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43871,
    "c": 0.13768,
    "h": 268.5
  },
  "luminance": 0.08036
}

Semantic roles & 50–950 ramp

primary

#334A9D

secondary

#BBAB70

accent

#BC4DDA

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334A9D

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

Preview Lab → · Contrast checker → · Palette generator →