#334DAB#334DAB

#334DAB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.154 H 268.1°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#334DAB
RGB	rgb(51, 77, 171)
HSL	hsl(227, 54%, 44%)
HSV	hsv(227, 70%, 67%)
CMYK	cmyk(70.2%, 55%, 0%, 32.9%)
CIE-LAB	lab(35.89, 22.68, -53.36)
CIE-LCH	lch(35.89, 57.98, 293.03°)
OKLab	oklab(45.58% -0.0051 -0.1535)
OKLCH	oklch(45.58% 0.154 268.1)
XYZ	xyz(11.3673, 8.9507, 39.6488)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334DAB #AB9133

analogous

#3389AB #334DAB #5533AB

triadic

#334DAB #AB334D #4DAB33

tetradic

#334DAB #AB3389 #AB9133 #33AB55

square

#334DAB #AB3389 #AB9133 #33AB55

split-complementary

#334DAB #AB5533 #89AB33

monochromatic

#17234D #25387C #334DAB #506BCB #7F93D9

Accessibility & contrast

On white

7.53

#334DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#334DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334DAB

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334DAB	#FFFFFF	#000000	##FFFFFF
##334DAB	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AAE

Deuteranopia (green-blind)

#004FA9

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #334dab;
/* rgb */ color: rgb(51, 77, 171);
/* oklch */ color: oklch(45.6% 0.154 268.1);

Tailwind

colors: {
  custom: {
    50: '#7a7ec5',
    500: '#334dab',
    950: '#000000',
  },
}

SCSS

$custom: #334dab;
$custom-light: #7a7ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#334dab",
  "rgb": {
    "r": 51,
    "g": 77,
    "b": 171
  },
  "hsl": {
    "h": 227,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45577,
    "c": 0.15362,
    "h": 268.1
  },
  "luminance": 0.08952
}

Semantic roles & 50–950 ramp

primary

#334DAB

secondary

#C2B278

accent

#BE4ADD

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #334DAB

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

Preview Lab → · Contrast checker → · Palette generator →