#334D8F#334D8F

#334D8F is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.5% C 0.113 H 265.7°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#334D8F
RGB	rgb(51, 77, 143)
HSL	hsl(223, 47%, 38%)
HSV	hsv(223, 64%, 56%)
CMYK	cmyk(64.3%, 46.2%, 0%, 43.9%)
CIE-LAB	lab(33.97, 12.30, -39.57)
CIE-LCH	lch(33.97, 41.44, 287.26°)
OKLab	oklab(43.51% -0.0084 -0.113)
OKLCH	oklch(43.51% 0.113 265.7)
XYZ	xyz(8.9753, 7.9939, 27.0513)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334D8F #8F7533

analogous

#337B8F #334D8F #47338F

triadic

#334D8F #8F334D #4D8F33

tetradic

#334D8F #8F337B #8F7533 #338F47

square

#334D8F #8F337B #8F7533 #338F47

split-complementary

#334D8F #8F4733 #7B8F33

monochromatic

#131C35 #233562 #334D8F #4365BC #708ACC

Accessibility & contrast

On white

8.08

#334D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#334D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334D8F

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334D8F	#FFFFFF	#000000	##FFFFFF
##334D8F	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5491

Deuteranopia (green-blind)

#1F4C8E

Tritanopia (blue-blind)

#005C67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #334d8f;
/* rgb */ color: rgb(51, 77, 143);
/* oklch */ color: oklch(43.5% 0.113 265.7);

Tailwind

colors: {
  custom: {
    50: '#747eb0',
    500: '#334d8f',
    950: '#000000',
  },
}

SCSS

$custom: #334d8f;
$custom-light: #747eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#334d8f",
  "rgb": {
    "r": 51,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 223.043,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43505,
    "c": 0.1133,
    "h": 265.7
  },
  "luminance": 0.07995
}

Semantic roles & 50–950 ramp

primary

#334D8F

secondary

#B49F6A

accent

#B151D7

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334D8F

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

Preview Lab → · Contrast checker → · Palette generator →