#334F79#334F79

#334F79 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.6% C 0.078 H 258.3°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#334F79
RGB	rgb(51, 79, 121)
HSL	hsl(216, 41%, 34%)
HSV	hsv(216, 58%, 47%)
CMYK	cmyk(57.9%, 34.7%, 0%, 52.5%)
CIE-LAB	lab(33.30, 3.02, -27.09)
CIE-LCH	lch(33.30, 27.26, 276.37°)
OKLab	oklab(42.57% -0.0159 -0.0764)
OKLCH	oklch(42.57% 0.078 258.3)
XYZ	xyz(7.6112, 7.6756, 19.1659)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334F79 #795D33

analogous

#337279 #334F79 #3A3379

triadic

#334F79 #79334F #4F7933

tetradic

#334F79 #793372 #795D33 #33793A

square

#334F79 #793372 #795D33 #33793A

split-complementary

#334F79 #793A33 #727933

monochromatic

#0F1723 #21334E #334F79 #456BA4 #678ABF

Accessibility & contrast

On white

8.28

#334F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#334F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334F79

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334F79	#FFFFFF	#000000	##FFFFFF
##334F79	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E527B

Deuteranopia (green-blind)

#354B78

Tritanopia (blue-blind)

#05585E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #334f79;
/* rgb */ color: rgb(51, 79, 121);
/* oklch */ color: oklch(42.6% 0.078 258.3);

Tailwind

colors: {
  custom: {
    50: '#7080a0',
    500: '#334f79',
    950: '#000000',
  },
}

SCSS

$custom: #334f79;
$custom-light: #7080a0;
$custom-dark: #000000;

JSON

{
  "hex": "#334f79",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 121
  },
  "hsl": {
    "h": 216,
    "s": 40.698,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42571,
    "c": 0.07806,
    "h": 258.3
  },
  "luminance": 0.07676
}

Semantic roles & 50–950 ramp

primary

#334F79

secondary

#A78B61

accent

#A057D1

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #334F79

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

Preview Lab → · Contrast checker → · Palette generator →