#334E8B#334E8B

#334E8B is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.5% C 0.106 H 264.4°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#334E8B
RGB	rgb(51, 78, 139)
HSL	hsl(222, 46%, 37%)
HSV	hsv(222, 63%, 55%)
CMYK	cmyk(63.3%, 43.9%, 0%, 45.5%)
CIE-LAB	lab(34.02, 10.17, -37.06)
CIE-LCH	lch(34.02, 38.43, 285.34°)
OKLab	oklab(43.46% -0.0103 -0.1056)
OKLCH	oklch(43.46% 0.106 264.4)
XYZ	xyz(8.7482, 8.0159, 25.5073)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334E8B #8B7033

analogous

#337A8B #334E8B #44338B

triadic

#334E8B #8B334E #4E8B33

tetradic

#334E8B #8B337A #8B7033 #338B44

square

#334E8B #8B337A #8B7033 #338B44

split-complementary

#334E8B #8B4433 #7A8B33

monochromatic

#121C31 #23355E #334E8B #4367B8 #6E8BCA

Accessibility & contrast

On white

8.07

#334E8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#334E8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334E8B

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334E8B	#FFFFFF	#000000	##FFFFFF
##334E8B	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32548D

Deuteranopia (green-blind)

#254C8A

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #334e8b;
/* rgb */ color: rgb(51, 78, 139);
/* oklch */ color: oklch(43.5% 0.106 264.4);

Tailwind

colors: {
  custom: {
    50: '#737fad',
    500: '#334e8b',
    950: '#000000',
  },
}

SCSS

$custom: #334e8b;
$custom-light: #737fad;
$custom-dark: #000000;

JSON

{
  "hex": "#334e8b",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 139
  },
  "hsl": {
    "h": 221.591,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4346,
    "c": 0.10609,
    "h": 264.4
  },
  "luminance": 0.08017
}

Semantic roles & 50–950 ramp

primary

#334E8B

secondary

#B29B68

accent

#AD52D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #334E8B

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

Preview Lab → · Contrast checker → · Palette generator →