#334F80#334F80

#334F80 is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.0% C 0.088 H 260.9°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#334F80
RGB	rgb(51, 79, 128)
HSL	hsl(218, 43%, 35%)
HSV	hsv(218, 60%, 50%)
CMYK	cmyk(60.2%, 38.3%, 0%, 49.8%)
CIE-LAB	lab(33.68, 5.51, -30.83)
CIE-LCH	lch(33.68, 31.32, 280.14°)
OKLab	oklab(42.99% -0.0139 -0.0873)
OKLCH	oklch(42.99% 0.088 260.9)
XYZ	xyz(8.0562, 7.8536, 21.5092)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334F80 #806433

analogous

#337580 #334F80 #3E3380

triadic

#334F80 #80334F #4F8033

tetradic

#334F80 #803375 #806433 #33803E

square

#334F80 #803375 #806433 #33803E

split-complementary

#334F80 #803E33 #758033

monochromatic

#101928 #223454 #334F80 #446AAC #6A8AC4

Accessibility & contrast

On white

8.17

#334F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#334F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334F80

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334F80	#FFFFFF	#000000	##FFFFFF
##334F80	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B5382

Deuteranopia (green-blind)

#314C7F

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #334f80;
/* rgb */ color: rgb(51, 79, 128);
/* oklch */ color: oklch(43.0% 0.088 260.9);

Tailwind

colors: {
  custom: {
    50: '#7180a5',
    500: '#334f80',
    950: '#000000',
  },
}

SCSS

$custom: #334f80;
$custom-light: #7180a5;
$custom-dark: #000000;

JSON

{
  "hex": "#334f80",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 128
  },
  "hsl": {
    "h": 218.182,
    "s": 43.017,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42989,
    "c": 0.08845,
    "h": 260.9
  },
  "luminance": 0.07854
}

Semantic roles & 50–950 ramp

primary

#334F80

secondary

#AB9163

accent

#A555D3

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #334F80

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

Preview Lab → · Contrast checker → · Palette generator →