#3374DC#3374DC

#3374DC is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.3% C 0.173 H 259.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3374DC
RGB	rgb(51, 116, 220)
HSL	hsl(217, 71%, 53%)
HSV	hsv(217, 77%, 86%)
CMYK	cmyk(76.8%, 47.3%, 0%, 13.7%)
CIE-LAB	lab(49.93, 15.79, -59.07)
CIE-LCH	lch(49.93, 61.15, 284.97°)
OKLab	oklab(57.33% -0.0313 -0.1697)
OKLCH	oklch(57.33% 0.173 259.5)
XYZ	xyz(20.5242, 18.3595, 70.1583)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3374DC #DC9B33

analogous

#33C8DC #3374DC #4633DC

triadic

#3374DC #DC3374 #74DC33

tetradic

#3374DC #DC33C8 #DC9B33 #33DC46

square

#3374DC #DC33C8 #DC9B33 #33DC46

split-complementary

#3374DC #DC4633 #C8DC33

monochromatic

#163E7F #1F58B3 #3374DC #6798E5 #9BBBEE

Accessibility & contrast

On white

4.49

#3374DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#3374DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3374DC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3374DC	#FFFFFF	#000000	##000000
##3374DC	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7FE0

Deuteranopia (green-blind)

#0070DA

Tritanopia (blue-blind)

#008D9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3374dc;
/* rgb */ color: rgb(51, 116, 220);
/* oklch */ color: oklch(57.3% 0.173 259.5);

Tailwind

colors: {
  custom: {
    50: '#839be7',
    500: '#3374dc',
    950: '#000000',
  },
}

SCSS

$custom: #3374dc;
$custom-light: #839be7;
$custom-dark: #000000;

JSON

{
  "hex": "#3374dc",
  "rgb": {
    "r": 51,
    "g": 116,
    "b": 220
  },
  "hsl": {
    "h": 216.923,
    "s": 70.711,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57334,
    "c": 0.17255,
    "h": 259.5
  },
  "luminance": 0.18362
}

Semantic roles & 50–950 ramp

primary

#3374DC

secondary

#DABE91

accent

#A93AED

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3374DC

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

Preview Lab → · Contrast checker → · Palette generator →