#374FA8#374FA8

#374FA8 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.146 H 268.7°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#374FA8
RGB	rgb(55, 79, 168)
HSL	hsl(227, 51%, 44%)
HSV	hsv(227, 67%, 66%)
CMYK	cmyk(67.3%, 53%, 0%, 34.1%)
CIE-LAB	lab(36.42, 20.88, -50.69)
CIE-LCH	lch(36.42, 54.83, 292.39°)
OKLab	oklab(45.97% -0.0033 -0.1456)
OKLCH	oklch(45.97% 0.146 268.7)
XYZ	xyz(11.4370, 9.2303, 38.2171)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FA8 #A89037

analogous

#3787A8 #374FA8 #5737A8

triadic

#374FA8 #A8374F #4FA837

tetradic

#374FA8 #A83787 #A89037 #37A857

square

#374FA8 #A83787 #A89037 #37A857

split-complementary

#374FA8 #A85737 #87A837

monochromatic

#19244C #28397A #374FA8 #556DC7 #8395D6

Accessibility & contrast

On white

7.38

#374FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#374FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FA8

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FA8	#FFFFFF	#000000	##FFFFFF
##374FA8	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165BAB

Deuteranopia (green-blind)

#0051A6

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374fa8;
/* rgb */ color: rgb(55, 79, 168);
/* oklch */ color: oklch(46.0% 0.146 268.7);

Tailwind

colors: {
  custom: {
    50: '#7b7fc2',
    500: '#374fa8',
    950: '#000000',
  },
}

SCSS

$custom: #374fa8;
$custom-light: #7b7fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#374fa8",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 168
  },
  "hsl": {
    "h": 227.257,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45967,
    "c": 0.14562,
    "h": 268.7
  },
  "luminance": 0.09231
}

Semantic roles & 50–950 ramp

primary

#374FA8

secondary

#C0B17B

accent

#BC4EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #374FA8

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

Preview Lab → · Contrast checker → · Palette generator →