#334C9D#334C9D

#334C9D is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.3% C 0.135 H 267.7°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#334C9D
RGB	rgb(51, 76, 157)
HSL	hsl(226, 51%, 41%)
HSV	hsv(226, 68%, 62%)
CMYK	cmyk(67.5%, 51.6%, 0%, 38.4%)
CIE-LAB	lab(34.61, 18.15, -47.03)
CIE-LCH	lch(34.61, 50.41, 291.10°)
OKLab	oklab(44.29% -0.0055 -0.1349)
OKLCH	oklch(44.29% 0.135 267.7)
XYZ	xyz(10.0334, 8.3061, 32.9662)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334C9D #9D8433

analogous

#33819D #334C9D #4F339D

triadic

#334C9D #9D334C #4C9D33

tetradic

#334C9D #9D3381 #9D8433 #339D4F

square

#334C9D #9D3381 #9D8433 #339D4F

split-complementary

#334C9D #9D4F33 #819D33

monochromatic

#151F41 #24366F #334C9D #4966C4 #778DD3

Accessibility & contrast

On white

7.89

#334C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#334C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334C9D

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334C9D	#FFFFFF	#000000	##FFFFFF
##334C9D	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D56A0

Deuteranopia (green-blind)

#004D9B

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #334c9d;
/* rgb */ color: rgb(51, 76, 157);
/* oklch */ color: oklch(44.3% 0.135 267.7);

Tailwind

colors: {
  custom: {
    50: '#777dba',
    500: '#334c9d',
    950: '#000000',
  },
}

SCSS

$custom: #334c9d;
$custom-light: #777dba;
$custom-dark: #000000;

JSON

{
  "hex": "#334c9d",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 157
  },
  "hsl": {
    "h": 225.849,
    "s": 50.962,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44293,
    "c": 0.13506,
    "h": 267.7
  },
  "luminance": 0.08307
}

Semantic roles & 50–950 ramp

primary

#334C9D

secondary

#BBAA70

accent

#B94DDA

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334C9D

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

Preview Lab → · Contrast checker → · Palette generator →