#3374D0#3374D0

#3374D0 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.5% C 0.157 H 257.7°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3374D0
RGB	rgb(51, 116, 208)
HSL	hsl(215, 63%, 51%)
HSV	hsv(215, 75%, 82%)
CMYK	cmyk(75.5%, 44.2%, 0%, 18.4%)
CIE-LAB	lab(49.19, 11.33, -53.46)
CIE-LCH	lch(49.19, 54.64, 281.97°)
OKLab	oklab(56.52% -0.0334 -0.1532)
OKLCH	oklch(56.52% 0.157 257.7)
XYZ	xyz(18.9916, 17.7465, 62.0868)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3374D0 #D08F33

analogous

#33C3D0 #3374D0 #4033D0

triadic

#3374D0 #D03374 #74D033

tetradic

#3374D0 #D033C3 #D08F33 #33D040

square

#3374D0 #D033C3 #D08F33 #33D040

split-complementary

#3374D0 #D04033 #C3D033

monochromatic

#1A3D6F #2558A1 #3374D0 #6596DB #96B8E7

Accessibility & contrast

On white

4.62

#3374D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3374D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3374D0

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3374D0	#FFFFFF	#000000	##FFFFFF
##3374D0	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457DD4

Deuteranopia (green-blind)

#256ECE

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3374d0;
/* rgb */ color: rgb(51, 116, 208);
/* oklch */ color: oklch(56.5% 0.157 257.7);

Tailwind

colors: {
  custom: {
    50: '#809bdf',
    500: '#3374d0',
    950: '#000000',
  },
}

SCSS

$custom: #3374d0;
$custom-light: #809bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3374d0",
  "rgb": {
    "r": 51,
    "g": 116,
    "b": 208
  },
  "hsl": {
    "h": 215.159,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56523,
    "c": 0.15675,
    "h": 257.7
  },
  "luminance": 0.17749
}

Semantic roles & 50–950 ramp

primary

#3374D0

secondary

#D2B58D

accent

#A242E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3374D0

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

Preview Lab → · Contrast checker → · Palette generator →