#334AA1#334AA1

#334AA1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.2% C 0.143 H 268.7°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#334AA1
RGB	rgb(51, 74, 161)
HSL	hsl(227, 52%, 42%)
HSV	hsv(227, 68%, 63%)
CMYK	cmyk(68.3%, 54%, 0%, 36.9%)
CIE-LAB	lab(34.34, 20.96, -49.88)
CIE-LCH	lch(34.34, 54.11, 292.80°)
OKLab	oklab(44.18% -0.0032 -0.1433)
OKLCH	oklch(44.18% 0.143 268.7)
XYZ	xyz(10.2448, 8.1736, 34.7491)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334AA1 #A18A33

analogous

#3381A1 #334AA1 #5333A1

triadic

#334AA1 #A1334A #4AA133

tetradic

#334AA1 #A13381 #A18A33 #33A153

square

#334AA1 #A13381 #A18A33 #33A153

split-complementary

#334AA1 #A15333 #81A133

monochromatic

#161F44 #243573 #334AA1 #4B65C6 #7A8DD5

Accessibility & contrast

On white

7.97

#334AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#334AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334AA1

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334AA1	#FFFFFF	#000000	##FFFFFF
##334AA1	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D56A4

Deuteranopia (green-blind)

#004C9F

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #334aa1;
/* rgb */ color: rgb(51, 74, 161);
/* oklch */ color: oklch(44.2% 0.143 268.7);

Tailwind

colors: {
  custom: {
    50: '#787cbd',
    500: '#334aa1',
    950: '#000000',
  },
}

SCSS

$custom: #334aa1;
$custom-light: #787cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#334aa1",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 161
  },
  "hsl": {
    "h": 227.455,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44179,
    "c": 0.14339,
    "h": 268.7
  },
  "luminance": 0.08175
}

Semantic roles & 50–950 ramp

primary

#334AA1

secondary

#BDAE72

accent

#BD4CDB

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334AA1

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

Preview Lab → · Contrast checker → · Palette generator →