#334C83#334C83

#334C83 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.5% C 0.097 H 264.3°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#334C83
RGB	rgb(51, 76, 131)
HSL	hsl(221, 44%, 36%)
HSV	hsv(221, 61%, 51%)
CMYK	cmyk(61.1%, 42%, 0%, 48.6%)
CIE-LAB	lab(32.94, 8.57, -33.85)
CIE-LCH	lch(32.94, 34.92, 284.21°)
OKLab	oklab(42.48% -0.0097 -0.0962)
OKLCH	oklch(42.48% 0.097 264.3)
XYZ	xyz(8.0450, 7.5107, 22.4941)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334C83 #836A33

analogous

#337483 #334C83 #423383

triadic

#334C83 #83334C #4C8333

tetradic

#334C83 #833374 #836A33 #338342

square

#334C83 #833374 #836A33 #338342

split-complementary

#334C83 #834233 #748333

monochromatic

#11192B #223257 #334C83 #4466AF #6B87C5

Accessibility & contrast

On white

8.39

#334C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#334C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334C83

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334C83	#FFFFFF	#000000	##FFFFFF
##334C83	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345185

Deuteranopia (green-blind)

#294A82

Tritanopia (blue-blind)

#005861

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #334c83;
/* rgb */ color: rgb(51, 76, 131);
/* oklch */ color: oklch(42.5% 0.097 264.3);

Tailwind

colors: {
  custom: {
    50: '#727da7',
    500: '#334c83',
    950: '#000000',
  },
}

SCSS

$custom: #334c83;
$custom-light: #727da7;
$custom-dark: #000000;

JSON

{
  "hex": "#334c83",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 131
  },
  "hsl": {
    "h": 221.25,
    "s": 43.956,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42477,
    "c": 0.09669,
    "h": 264.3
  },
  "luminance": 0.07511
}

Semantic roles & 50–950 ramp

primary

#334C83

secondary

#AD9765

accent

#AC54D4

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #334C83

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

Preview Lab → · Contrast checker → · Palette generator →