#374FA7#374FA7

#374FA7 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.144 H 268.7°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#374FA7
RGB	rgb(55, 79, 167)
HSL	hsl(227, 50%, 44%)
HSV	hsv(227, 67%, 65%)
CMYK	cmyk(67.1%, 52.7%, 0%, 34.5%)
CIE-LAB	lab(36.35, 20.52, -50.21)
CIE-LCH	lch(36.35, 54.24, 292.23°)
OKLab	oklab(45.89% -0.0034 -0.1442)
OKLCH	oklch(45.89% 0.144 268.7)
XYZ	xyz(11.3442, 9.1931, 37.7283)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FA7 #A78F37

analogous

#3787A7 #374FA7 #5737A7

triadic

#374FA7 #A7374F #4FA737

tetradic

#374FA7 #A73787 #A78F37 #37A757

square

#374FA7 #A73787 #A78F37 #37A757

split-complementary

#374FA7 #A75737 #87A737

monochromatic

#19234B #283979 #374FA7 #546DC7 #8294D6

Accessibility & contrast

On white

7.40

#374FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#374FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FA7

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FA7	#FFFFFF	#000000	##FFFFFF
##374FA7	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185BAA

Deuteranopia (green-blind)

#0051A5

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #374fa7;
/* rgb */ color: rgb(55, 79, 167);
/* oklch */ color: oklch(45.9% 0.144 268.7);

Tailwind

colors: {
  custom: {
    50: '#7b7fc2',
    500: '#374fa7',
    950: '#000000',
  },
}

SCSS

$custom: #374fa7;
$custom-light: #7b7fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#374fa7",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 167
  },
  "hsl": {
    "h": 227.143,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.45892,
    "c": 0.1442,
    "h": 268.7
  },
  "luminance": 0.09194
}

Semantic roles & 50–950 ramp

primary

#374FA7

secondary

#C0B17A

accent

#BC4EDA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #374FA7

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

Preview Lab → · Contrast checker → · Palette generator →