#334F8F#334F8F

#334F8F is a dark, moderate blue. Relative luminance 0.083; OKLCH L 44.0% C 0.111 H 264.5°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#334F8F
RGB	rgb(51, 79, 143)
HSL	hsl(222, 47%, 38%)
HSV	hsv(222, 64%, 56%)
CMYK	cmyk(64.3%, 44.8%, 0%, 43.9%)
CIE-LAB	lab(34.56, 10.97, -38.64)
CIE-LCH	lch(34.56, 40.17, 285.85°)
OKLab	oklab(43.96% -0.0106 -0.1102)
OKLCH	oklch(43.96% 0.111 264.5)
XYZ	xyz(9.1174, 8.2781, 27.0986)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334F8F #8F7333

analogous

#337D8F #334F8F #45338F

triadic

#334F8F #8F334F #4F8F33

tetradic

#334F8F #8F337D #8F7333 #338F45

square

#334F8F #8F337D #8F7333 #338F45

split-complementary

#334F8F #8F4533 #7D8F33

monochromatic

#131D35 #233662 #334F8F #4368BC #708CCC

Accessibility & contrast

On white

7.91

#334F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#334F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334F8F

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334F8F	#FFFFFF	#000000	##FFFFFF
##334F8F	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315691

Deuteranopia (green-blind)

#234D8E

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #334f8f;
/* rgb */ color: rgb(51, 79, 143);
/* oklch */ color: oklch(44.0% 0.111 264.5);

Tailwind

colors: {
  custom: {
    50: '#747fb0',
    500: '#334f8f',
    950: '#000000',
  },
}

SCSS

$custom: #334f8f;
$custom-light: #747fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#334f8f",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 143
  },
  "hsl": {
    "h": 221.739,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43955,
    "c": 0.11073,
    "h": 264.5
  },
  "luminance": 0.08279
}

Semantic roles & 50–950 ramp

primary

#334F8F

secondary

#B49D6A

accent

#AE51D7

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #334F8F

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

Preview Lab → · Contrast checker → · Palette generator →