#374FC7#374FC7

#374FC7 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.5% C 0.188 H 269.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#374FC7
RGB	rgb(55, 79, 199)
HSL	hsl(230, 57%, 50%)
HSV	hsv(230, 72%, 78%)
CMYK	cmyk(72.4%, 60.3%, 0%, 22%)
CIE-LAB	lab(38.77, 32.17, -65.12)
CIE-LCH	lch(38.77, 72.63, 296.29°)
OKLab	oklab(48.46% -0.0021 -0.188)
OKLCH	oklch(48.46% 0.188 269.4)
XYZ	xyz(14.6768, 10.5262, 55.2800)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FC7 #C7AF37

analogous

#3797C7 #374FC7 #6737C7

triadic

#374FC7 #C7374F #4FC737

tetradic

#374FC7 #C73797 #C7AF37 #37C767

square

#374FC7 #C73797 #C7AF37 #37C767

split-complementary

#374FC7 #C76737 #97C737

monochromatic

#1C2967 #2A3C97 #374FC7 #6679D5 #96A3E2

Accessibility & contrast

On white

6.76

#374FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#374FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FC7

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FC7	#FFFFFF	#000000	##FFFFFF
##374FC7	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CB

Deuteranopia (green-blind)

#0055C5

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #374fc7;
/* rgb */ color: rgb(55, 79, 199);
/* oklch */ color: oklch(48.5% 0.188 269.4);

Tailwind

colors: {
  custom: {
    50: '#8180d9',
    500: '#374fc7',
    950: '#000000',
  },
}

SCSS

$custom: #374fc7;
$custom-light: #8180d9;
$custom-dark: #000000;

JSON

{
  "hex": "#374fc7",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 199
  },
  "hsl": {
    "h": 230,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48463,
    "c": 0.188,
    "h": 269.4
  },
  "luminance": 0.10528
}

Semantic roles & 50–950 ramp

primary

#374FC7

secondary

#CDC38C

accent

#C748E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #374FC7

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

Preview Lab → · Contrast checker → · Palette generator →