#334BA1#334BA1

#334BA1 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.4% C 0.142 H 268.3°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#334BA1
RGB	rgb(51, 75, 161)
HSL	hsl(227, 52%, 42%)
HSV	hsv(227, 68%, 63%)
CMYK	cmyk(68.3%, 53.4%, 0%, 36.9%)
CIE-LAB	lab(34.62, 20.30, -49.43)
CIE-LCH	lch(34.62, 53.44, 292.32°)
OKLab	oklab(44.39% -0.0041 -0.142)
OKLCH	oklch(44.39% 0.142 268.3)
XYZ	xyz(10.3121, 8.3082, 34.7715)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BA1 #A18933

analogous

#3382A1 #334BA1 #5233A1

triadic

#334BA1 #A1334B #4BA133

tetradic

#334BA1 #A13382 #A18933 #33A152

square

#334BA1 #A13382 #A18933 #33A152

split-complementary

#334BA1 #A15233 #82A133

monochromatic

#162044 #243573 #334BA1 #4B66C6 #7A8ED5

Accessibility & contrast

On white

7.89

#334BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#334BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334BA1

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BA1	#FFFFFF	#000000	##FFFFFF
##334BA1	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1257A4

Deuteranopia (green-blind)

#004D9F

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #334ba1;
/* rgb */ color: rgb(51, 75, 161);
/* oklch */ color: oklch(44.4% 0.142 268.3);

Tailwind

colors: {
  custom: {
    50: '#787cbd',
    500: '#334ba1',
    950: '#000000',
  },
}

SCSS

$custom: #334ba1;
$custom-light: #787cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#334ba1",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 161
  },
  "hsl": {
    "h": 226.909,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44386,
    "c": 0.14209,
    "h": 268.3
  },
  "luminance": 0.08309
}

Semantic roles & 50–950 ramp

primary

#334BA1

secondary

#BDAD72

accent

#BC4CDB

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334BA1

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

Preview Lab → · Contrast checker → · Palette generator →