#334AA4#334AA4

#334AA4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.4% C 0.148 H 268.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#334AA4
RGB	rgb(51, 74, 164)
HSL	hsl(228, 53%, 42%)
HSV	hsv(228, 69%, 64%)
CMYK	cmyk(68.9%, 54.9%, 0%, 35.7%)
CIE-LAB	lab(34.56, 22.07, -51.33)
CIE-LCH	lch(34.56, 55.87, 293.27°)
OKLab	oklab(44.41% -0.003 -0.1476)
OKLCH	oklch(44.41% 0.148 268.8)
XYZ	xyz(10.5126, 8.2807, 36.1591)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334AA4 #A48D33

analogous

#3382A4 #334AA4 #5533A4

triadic

#334AA4 #A4334A #4AA433

tetradic

#334AA4 #A43382 #A48D33 #33A455

square

#334AA4 #A43382 #A48D33 #33A455

split-complementary

#334AA4 #A45533 #82A433

monochromatic

#162047 #243575 #334AA4 #4D66C8 #7B8ED6

Accessibility & contrast

On white

7.91

#334AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#334AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334AA4

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334AA4	#FFFFFF	#000000	##FFFFFF
##334AA4	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0457A7

Deuteranopia (green-blind)

#004CA2

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #334aa4;
/* rgb */ color: rgb(51, 74, 164);
/* oklch */ color: oklch(44.4% 0.148 268.8);

Tailwind

colors: {
  custom: {
    50: '#787cc0',
    500: '#334aa4',
    950: '#000000',
  },
}

SCSS

$custom: #334aa4;
$custom-light: #787cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#334aa4",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 164
  },
  "hsl": {
    "h": 227.788,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44413,
    "c": 0.14764,
    "h": 268.8
  },
  "luminance": 0.08282
}

Semantic roles & 50–950 ramp

primary

#334AA4

secondary

#BFB074

accent

#BF4CDC

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334AA4

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

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