#334FC5#334FC5

#334FC5 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.1% C 0.186 H 268.2°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#334FC5
RGB	rgb(51, 79, 197)
HSL	hsl(228, 59%, 49%)
HSV	hsv(228, 74%, 77%)
CMYK	cmyk(74.1%, 59.9%, 0%, 22.7%)
CIE-LAB	lab(38.42, 30.96, -64.54)
CIE-LCH	lch(38.42, 71.58, 295.63°)
OKLab	oklab(48.1% -0.0058 -0.1864)
OKLCH	oklch(48.1% 0.186 268.2)
XYZ	xyz(14.2358, 10.3255, 54.0553)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334FC5 #C5A933

analogous

#3398C5 #334FC5 #6033C5

triadic

#334FC5 #C5334F #4FC533

tetradic

#334FC5 #C53398 #C5A933 #33C560

square

#334FC5 #C53398 #C5A933 #33C560

split-complementary

#334FC5 #C56033 #98C533

monochromatic

#1A2864 #263C94 #334FC5 #5F76D6 #90A0E2

Accessibility & contrast

On white

6.85

#334FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#334FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #334FC5

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334FC5	#FFFFFF	#000000	##FFFFFF
##334FC5	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C9

Deuteranopia (green-blind)

#0054C3

Tritanopia (blue-blind)

#006D82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #334fc5;
/* rgb */ color: rgb(51, 79, 197);
/* oklch */ color: oklch(48.1% 0.186 268.2);

Tailwind

colors: {
  custom: {
    50: '#7f80d7',
    500: '#334fc5',
    950: '#000000',
  },
}

SCSS

$custom: #334fc5;
$custom-light: #7f80d7;
$custom-dark: #000000;

JSON

{
  "hex": "#334fc5",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 197
  },
  "hsl": {
    "h": 228.493,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.481,
    "c": 0.18645,
    "h": 268.2
  },
  "luminance": 0.10327
}

Semantic roles & 50–950 ramp

primary

#334FC5

secondary

#CDC087

accent

#C446E2

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #334FC5

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

Preview Lab → · Contrast checker → · Palette generator →