#334F78#334F78

#334F78 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.5% C 0.077 H 257.8°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#334F78
RGB	rgb(51, 79, 120)
HSL	hsl(216, 40%, 34%)
HSV	hsv(216, 58%, 47%)
CMYK	cmyk(57.5%, 34.2%, 0%, 52.9%)
CIE-LAB	lab(33.25, 2.67, -26.55)
CIE-LCH	lch(33.25, 26.68, 275.74°)
OKLab	oklab(42.51% -0.0162 -0.0749)
OKLCH	oklch(42.51% 0.077 257.8)
XYZ	xyz(7.5502, 7.6512, 18.8446)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334F78 #785C33

analogous

#337178 #334F78 #393378

triadic

#334F78 #78334F #4F7833

tetradic

#334F78 #783371 #785C33 #337839

square

#334F78 #783371 #785C33 #337839

split-complementary

#334F78 #783933 #717833

monochromatic

#0E1622 #21334D #334F78 #456BA3 #678ABE

Accessibility & contrast

On white

8.30

#334F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#334F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334F78

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334F78	#FFFFFF	#000000	##FFFFFF
##334F78	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E527A

Deuteranopia (green-blind)

#364B77

Tritanopia (blue-blind)

#07585E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #334f78;
/* rgb */ color: rgb(51, 79, 120);
/* oklch */ color: oklch(42.5% 0.077 257.8);

Tailwind

colors: {
  custom: {
    50: '#70809f',
    500: '#334f78',
    950: '#000000',
  },
}

SCSS

$custom: #334f78;
$custom-light: #70809f;
$custom-dark: #000000;

JSON

{
  "hex": "#334f78",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 120
  },
  "hsl": {
    "h": 215.652,
    "s": 40.351,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42513,
    "c": 0.07658,
    "h": 257.8
  },
  "luminance": 0.07652
}

Semantic roles & 50–950 ramp

primary

#334F78

secondary

#A68A60

accent

#9F58D0

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #334F78

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

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