#334F8A#334F8A

#334F8A is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.6% C 0.103 H 263.6°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#334F8A
RGB	rgb(51, 79, 138)
HSL	hsl(221, 46%, 37%)
HSV	hsv(221, 63%, 54%)
CMYK	cmyk(63%, 42.8%, 0%, 45.9%)
CIE-LAB	lab(34.25, 9.14, -36.07)
CIE-LCH	lch(34.25, 37.21, 284.22°)
OKLab	oklab(43.62% -0.0116 -0.1027)
OKLCH	oklch(43.62% 0.103 263.6)
XYZ	xyz(8.7471, 8.1300, 25.1481)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334F8A #8A6E33

analogous

#337B8A #334F8A #43338A

triadic

#334F8A #8A334F #4F8A33

tetradic

#334F8A #8A337B #8A6E33 #338A43

square

#334F8A #8A337B #8A6E33 #338A43

split-complementary

#334F8A #8A4333 #7B8A33

monochromatic

#121C31 #22355D #334F8A #4469B7 #6E8BC9

Accessibility & contrast

On white

8.00

#334F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#334F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334F8A

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334F8A	#FFFFFF	#000000	##FFFFFF
##334F8A	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35558C

Deuteranopia (green-blind)

#284D89

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #334f8a;
/* rgb */ color: rgb(51, 79, 138);
/* oklch */ color: oklch(43.6% 0.103 263.6);

Tailwind

colors: {
  custom: {
    50: '#737fac',
    500: '#334f8a',
    950: '#000000',
  },
}

SCSS

$custom: #334f8a;
$custom-light: #737fac;
$custom-dark: #000000;

JSON

{
  "hex": "#334f8a",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 138
  },
  "hsl": {
    "h": 220.69,
    "s": 46.032,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43623,
    "c": 0.10332,
    "h": 263.6
  },
  "luminance": 0.08131
}

Semantic roles & 50–950 ramp

primary

#334F8A

secondary

#B19A67

accent

#AB52D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #334F8A

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

Preview Lab → · Contrast checker → · Palette generator →