#334BA3#334BA3

#334BA3 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.5% C 0.145 H 268.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#334BA3
RGB	rgb(51, 75, 163)
HSL	hsl(227, 52%, 42%)
HSV	hsv(227, 69%, 64%)
CMYK	cmyk(68.7%, 54%, 0%, 36.1%)
CIE-LAB	lab(34.76, 21.04, -50.40)
CIE-LCH	lch(34.76, 54.62, 292.66°)
OKLab	oklab(44.54% -0.004 -0.1449)
OKLCH	oklch(44.54% 0.145 268.4)
XYZ	xyz(10.4899, 8.3793, 35.7078)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334BA3 #A38B33

analogous

#3383A3 #334BA3 #5333A3

triadic

#334BA3 #A3334B #4BA333

tetradic

#334BA3 #A33383 #A38B33 #33A353

square

#334BA3 #A33383 #A38B33 #33A353

split-complementary

#334BA3 #A35333 #83A333

monochromatic

#162046 #243674 #334BA3 #4C66C7 #7B8ED6

Accessibility & contrast

On white

7.85

#334BA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#334BA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334BA3

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334BA3	#FFFFFF	#000000	##FFFFFF
##334BA3	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D57A6

Deuteranopia (green-blind)

#004DA1

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #334ba3;
/* rgb */ color: rgb(51, 75, 163);
/* oklch */ color: oklch(44.5% 0.145 268.4);

Tailwind

colors: {
  custom: {
    50: '#787cbf',
    500: '#334ba3',
    950: '#000000',
  },
}

SCSS

$custom: #334ba3;
$custom-light: #787cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#334ba3",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 163
  },
  "hsl": {
    "h": 227.143,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44541,
    "c": 0.14493,
    "h": 268.4
  },
  "luminance": 0.0838
}

Semantic roles & 50–950 ramp

primary

#334BA3

secondary

#BEAE73

accent

#BD4CDC

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334BA3

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

Preview Lab → · Contrast checker → · Palette generator →