#374BC1#374BC1

#374BC1 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.2% C 0.185 H 270.3°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#374BC1
RGB	rgb(55, 75, 193)
HSL	hsl(231, 56%, 49%)
HSV	hsv(231, 72%, 76%)
CMYK	cmyk(71.5%, 61.1%, 0%, 24.3%)
CIE-LAB	lab(37.29, 32.57, -64.05)
CIE-LCH	lch(37.29, 71.85, 296.95°)
OKLab	oklab(47.21% 0.0008 -0.1849)
OKLCH	oklch(47.21% 0.185 270.3)
XYZ	xyz(13.7140, 9.6932, 51.5900)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BC1 #C1AD37

analogous

#3790C1 #374BC1 #6837C1

triadic

#374BC1 #C1374B #4BC137

tetradic

#374BC1 #C13790 #C1AD37 #37C168

square

#374BC1 #C13790 #C1AD37 #37C168

split-complementary

#374BC1 #C16837 #90C137

monochromatic

#1C2662 #293891 #374BC1 #6373D2 #929EE0

Accessibility & contrast

On white

7.15

#374BC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#374BC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BC1

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BC1	#FFFFFF	#000000	##FFFFFF
##374BC1	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC5

Deuteranopia (green-blind)

#0051BF

Tritanopia (blue-blind)

#00697F

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374bc1;
/* rgb */ color: rgb(55, 75, 193);
/* oklch */ color: oklch(47.2% 0.185 270.3);

Tailwind

colors: {
  custom: {
    50: '#807dd5',
    500: '#374bc1',
    950: '#000000',
  },
}

SCSS

$custom: #374bc1;
$custom-light: #807dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#374bc1",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 193
  },
  "hsl": {
    "h": 231.304,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47211,
    "c": 0.18489,
    "h": 270.3
  },
  "luminance": 0.09695
}

Semantic roles & 50–950 ramp

primary

#374BC1

secondary

#CBC189

accent

#C949DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #374BC1

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

Preview Lab → · Contrast checker → · Palette generator →