#334FB5#334FB5

#334FB5 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.165 H 267.8°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#334FB5
RGB	rgb(51, 79, 181)
HSL	hsl(227, 56%, 45%)
HSV	hsv(227, 72%, 71%)
CMYK	cmyk(71.8%, 56.4%, 0%, 29%)
CIE-LAB	lab(37.17, 25.07, -57.20)
CIE-LCH	lch(37.17, 62.45, 293.67°)
OKLab	oklab(46.78% -0.0062 -0.1648)
OKLCH	oklch(46.78% 0.165 267.8)
XYZ	xyz(12.4988, 9.6307, 44.9073)
Luminance	0.0963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334FB5 #B59933

analogous

#3390B5 #334FB5 #5833B5

triadic

#334FB5 #B5334F #4FB533

tetradic

#334FB5 #B53390 #B59933 #33B558

square

#334FB5 #B53390 #B59933 #33B558

split-complementary

#334FB5 #B55833 #90B533

monochromatic

#182556 #263A85 #334FB5 #5670CF #8698DD

Accessibility & contrast

On white

7.18

#334FB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#334FB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334FB5

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334FB5	#FFFFFF	#000000	##FFFFFF
##334FB5	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB8

Deuteranopia (green-blind)

#0052B3

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334fb5;
/* rgb */ color: rgb(51, 79, 181);
/* oklch */ color: oklch(46.8% 0.165 267.8);

Tailwind

colors: {
  custom: {
    50: '#7c7fcc',
    500: '#334fb5',
    950: '#000000',
  },
}

SCSS

$custom: #334fb5;
$custom-light: #7c7fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#334fb5",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 181
  },
  "hsl": {
    "h": 227.077,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46776,
    "c": 0.16493,
    "h": 267.8
  },
  "luminance": 0.09632
}

Semantic roles & 50–950 ramp

primary

#334FB5

secondary

#C6B77D

accent

#BF48DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #334FB5

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

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