#374FC0#374FC0

#374FC0 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.9% C 0.179 H 269.3°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#374FC0
RGB	rgb(55, 79, 192)
HSL	hsl(229, 55%, 48%)
HSV	hsv(229, 71%, 75%)
CMYK	cmyk(71.4%, 58.9%, 0%, 24.7%)
CIE-LAB	lab(38.21, 29.64, -61.95)
CIE-LCH	lch(38.21, 68.67, 295.57°)
OKLab	oklab(47.88% -0.0021 -0.1787)
OKLCH	oklch(47.88% 0.179 269.3)
XYZ	xyz(13.8827, 10.2085, 51.0978)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FC0 #C0A837

analogous

#3793C0 #374FC0 #6337C0

triadic

#374FC0 #C0374F #4FC037

tetradic

#374FC0 #C03793 #C0A837 #37C063

square

#374FC0 #C03793 #C0A837 #37C063

split-complementary

#374FC0 #C06337 #93C037

monochromatic

#1C2861 #293B90 #374FC0 #6276D2 #929FE0

Accessibility & contrast

On white

6.90

#374FC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#374FC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FC0

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FC0	#FFFFFF	#000000	##FFFFFF
##374FC0	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C4

Deuteranopia (green-blind)

#0054BE

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #374fc0;
/* rgb */ color: rgb(55, 79, 192);
/* oklch */ color: oklch(47.9% 0.179 269.3);

Tailwind

colors: {
  custom: {
    50: '#8080d4',
    500: '#374fc0',
    950: '#000000',
  },
}

SCSS

$custom: #374fc0;
$custom-light: #8080d4;
$custom-dark: #000000;

JSON

{
  "hex": "#374fc0",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 192
  },
  "hsl": {
    "h": 229.489,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47875,
    "c": 0.17869,
    "h": 269.3
  },
  "luminance": 0.1021
}

Semantic roles & 50–950 ramp

primary

#374FC0

secondary

#CBBF88

accent

#C549DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #374FC0

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

Preview Lab → · Contrast checker → · Palette generator →