#334C8A#334C8A

#334C8A is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.9% C 0.107 H 265.6°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#334C8A
RGB	rgb(51, 76, 138)
HSL	hsl(223, 46%, 37%)
HSV	hsv(223, 63%, 54%)
CMYK	cmyk(63%, 44.9%, 0%, 45.9%)
CIE-LAB	lab(33.36, 11.13, -37.48)
CIE-LCH	lch(33.36, 39.10, 286.54°)
OKLab	oklab(42.94% -0.0082 -0.1069)
OKLCH	oklch(42.94% 0.107 265.6)
XYZ	xyz(8.5356, 7.7069, 25.0776)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334C8A #8A7133

analogous

#33788A #334C8A #46338A

triadic

#334C8A #8A334C #4C8A33

tetradic

#334C8A #8A3378 #8A7133 #338A46

square

#334C8A #8A3378 #8A7133 #338A46

split-complementary

#334C8A #8A4633 #788A33

monochromatic

#121B31 #22335D #334C8A #4465B7 #6E88C9

Accessibility & contrast

On white

8.26

#334C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#334C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334C8A

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334C8A	#FFFFFF	#000000	##FFFFFF
##334C8A	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30538C

Deuteranopia (green-blind)

#234B89

Tritanopia (blue-blind)

#005A64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #334c8a;
/* rgb */ color: rgb(51, 76, 138);
/* oklch */ color: oklch(42.9% 0.107 265.6);

Tailwind

colors: {
  custom: {
    50: '#737dac',
    500: '#334c8a',
    950: '#000000',
  },
}

SCSS

$custom: #334c8a;
$custom-light: #737dac;
$custom-dark: #000000;

JSON

{
  "hex": "#334c8a",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 138
  },
  "hsl": {
    "h": 222.759,
    "s": 46.032,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4294,
    "c": 0.10718,
    "h": 265.6
  },
  "luminance": 0.07708
}

Semantic roles & 50–950 ramp

primary

#334C8A

secondary

#B19C67

accent

#B052D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334C8A

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

Preview Lab → · Contrast checker → · Palette generator →