#374EC7#374EC7

#374EC7 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.3% C 0.189 H 269.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#374EC7
RGB	rgb(55, 78, 199)
HSL	hsl(230, 57%, 50%)
HSV	hsv(230, 72%, 78%)
CMYK	cmyk(72.4%, 60.8%, 0%, 22%)
CIE-LAB	lab(38.52, 32.80, -65.53)
CIE-LCH	lch(38.52, 73.28, 296.59°)
OKLab	oklab(48.28% -0.0014 -0.1892)
OKLCH	oklch(48.28% 0.189 269.6)
XYZ	xyz(14.6052, 10.3830, 55.2562)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EC7 #C7B037

analogous

#3796C7 #374EC7 #6837C7

triadic

#374EC7 #C7374E #4EC737

tetradic

#374EC7 #C73796 #C7B037 #37C768

square

#374EC7 #C73796 #C7B037 #37C768

split-complementary

#374EC7 #C76837 #96C737

monochromatic

#1C2867 #2A3B97 #374EC7 #6678D5 #96A2E2

Accessibility & contrast

On white

6.82

#374EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#374EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374EC7

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EC7	#FFFFFF	#000000	##FFFFFF
##374EC7	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)

#0062CB

Deuteranopia (green-blind)

#0054C5

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #374ec7;
/* rgb */ color: rgb(55, 78, 199);
/* oklch */ color: oklch(48.3% 0.189 269.6);

Tailwind

colors: {
  custom: {
    50: '#817fd9',
    500: '#374ec7',
    950: '#000000',
  },
}

SCSS

$custom: #374ec7;
$custom-light: #817fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#374ec7",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 199
  },
  "hsl": {
    "h": 230.417,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48278,
    "c": 0.18921,
    "h": 269.6
  },
  "luminance": 0.10385
}

Semantic roles & 50–950 ramp

primary

#374EC7

secondary

#CDC38C

accent

#C848E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #374EC7

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

Preview Lab → · Contrast checker → · Palette generator →