#374FC4#374FC4

#374FC4 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.2% C 0.184 H 269.3°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#374FC4
RGB	rgb(55, 79, 196)
HSL	hsl(230, 56%, 49%)
HSV	hsv(230, 72%, 77%)
CMYK	cmyk(71.9%, 59.7%, 0%, 23.1%)
CIE-LAB	lab(38.53, 31.08, -63.77)
CIE-LCH	lch(38.53, 70.94, 295.99°)
OKLab	oklab(48.21% -0.0021 -0.184)
OKLCH	oklch(48.21% 0.184 269.3)
XYZ	xyz(14.3319, 10.3882, 53.4637)
Luminance	0.1039 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FC4 #C4AC37

analogous

#3796C4 #374FC4 #6637C4

triadic

#374FC4 #C4374F #4FC437

tetradic

#374FC4 #C43796 #C4AC37 #37C466

square

#374FC4 #C43796 #C4AC37 #37C466

split-complementary

#374FC4 #C46637 #96C437

monochromatic

#1C2864 #2A3C94 #374FC4 #6577D4 #94A1E1

Accessibility & contrast

On white

6.82

#374FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#374FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FC4

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FC4	#FFFFFF	#000000	##FFFFFF
##374FC4	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C8

Deuteranopia (green-blind)

#0054C2

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #374fc4;
/* rgb */ color: rgb(55, 79, 196);
/* oklch */ color: oklch(48.2% 0.184 269.3);

Tailwind

colors: {
  custom: {
    50: '#8180d7',
    500: '#374fc4',
    950: '#000000',
  },
}

SCSS

$custom: #374fc4;
$custom-light: #8180d7;
$custom-dark: #000000;

JSON

{
  "hex": "#374fc4",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 196
  },
  "hsl": {
    "h": 229.787,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48209,
    "c": 0.18403,
    "h": 269.3
  },
  "luminance": 0.1039
}

Semantic roles & 50–950 ramp

primary

#374FC4

secondary

#CCC18B

accent

#C648DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #374FC4

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

Preview Lab → · Contrast checker → · Palette generator →