#374BC7#374BC7

#374BC7 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.7% C 0.193 H 270.2°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#374BC7
RGB	rgb(55, 75, 199)
HSL	hsl(232, 57%, 50%)
HSV	hsv(232, 72%, 78%)
CMYK	cmyk(72.4%, 62.3%, 0%, 22%)
CIE-LAB	lab(37.78, 34.71, -66.73)
CIE-LCH	lch(37.78, 75.22, 297.48°)
OKLab	oklab(47.73% 0.0007 -0.1928)
OKLCH	oklch(47.73% 0.193 270.2)
XYZ	xyz(14.3969, 9.9664, 55.1867)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BC7 #C7B337

analogous

#3793C7 #374BC7 #6B37C7

triadic

#374BC7 #C7374B #4BC737

tetradic

#374BC7 #C73793 #C7B337 #37C76B

square

#374BC7 #C73793 #C7B337 #37C76B

split-complementary

#374BC7 #C76B37 #93C737

monochromatic

#1C2767 #2A3997 #374BC7 #6676D5 #96A1E2

Accessibility & contrast

On white

7.01

#374BC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#374BC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BC7

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BC7	#FFFFFF	#000000	##FFFFFF
##374BC7	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CB

Deuteranopia (green-blind)

#0052C5

Tritanopia (blue-blind)

#006B82

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374bc7;
/* rgb */ color: rgb(55, 75, 199);
/* oklch */ color: oklch(47.7% 0.193 270.2);

Tailwind

colors: {
  custom: {
    50: '#827dd9',
    500: '#374bc7',
    950: '#000000',
  },
}

SCSS

$custom: #374bc7;
$custom-light: #827dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#374bc7",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 199
  },
  "hsl": {
    "h": 231.667,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47731,
    "c": 0.19277,
    "h": 270.2
  },
  "luminance": 0.09968
}

Semantic roles & 50–950 ramp

primary

#374BC7

secondary

#CDC48C

accent

#CB48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #374BC7

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

Preview Lab → · Contrast checker → · Palette generator →