#334BA4#334BA4

#334BA4 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.6% C 0.146 H 268.5°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#334BA4
RGB	rgb(51, 75, 164)
HSL	hsl(227, 53%, 42%)
HSV	hsv(227, 69%, 64%)
CMYK	cmyk(68.9%, 54.3%, 0%, 35.7%)
CIE-LAB	lab(34.83, 21.41, -50.88)
CIE-LCH	lch(34.83, 55.21, 292.82°)
OKLab	oklab(44.62% -0.0039 -0.1463)
OKLCH	oklch(44.62% 0.146 268.5)
XYZ	xyz(10.5799, 8.4153, 36.1815)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BA4 #A48C33

analogous

#3383A4 #334BA4 #5433A4

triadic

#334BA4 #A4334B #4BA433

tetradic

#334BA4 #A43383 #A48C33 #33A454

square

#334BA4 #A43383 #A48C33 #33A454

split-complementary

#334BA4 #A45433 #83A433

monochromatic

#162047 #243675 #334BA4 #4D67C8 #7B8FD6

Accessibility & contrast

On white

7.83

#334BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#334BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334BA4

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BA4	#FFFFFF	#000000	##FFFFFF
##334BA4	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A57A7

Deuteranopia (green-blind)

#004DA2

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #334ba4;
/* rgb */ color: rgb(51, 75, 164);
/* oklch */ color: oklch(44.6% 0.146 268.5);

Tailwind

colors: {
  custom: {
    50: '#787cc0',
    500: '#334ba4',
    950: '#000000',
  },
}

SCSS

$custom: #334ba4;
$custom-light: #787cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#334ba4",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 164
  },
  "hsl": {
    "h": 227.257,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44618,
    "c": 0.14635,
    "h": 268.5
  },
  "luminance": 0.08416
}

Semantic roles & 50–950 ramp

primary

#334BA4

secondary

#BFAF74

accent

#BD4CDC

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334BA4

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

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