#374FA9#374FA9

#374FA9 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.147 H 268.7°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#374FA9
RGB	rgb(55, 79, 169)
HSL	hsl(227, 51%, 44%)
HSV	hsv(227, 67%, 66%)
CMYK	cmyk(67.5%, 53.3%, 0%, 33.7%)
CIE-LAB	lab(36.49, 21.25, -51.17)
CIE-LCH	lch(36.49, 55.41, 292.55°)
OKLab	oklab(46.04% -0.0032 -0.147)
OKLCH	oklch(46.04% 0.147 268.7)
XYZ	xyz(11.5305, 9.2677, 38.7096)
Luminance	0.0927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FA9 #A99137

analogous

#3788A9 #374FA9 #5837A9

triadic

#374FA9 #A9374F #4FA937

tetradic

#374FA9 #A93788 #A99137 #37A958

square

#374FA9 #A93788 #A99137 #37A958

split-complementary

#374FA9 #A95837 #88A937

monochromatic

#19244D #28397B #374FA9 #556DC8 #8495D7

Accessibility & contrast

On white

7.36

#374FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#374FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FA9

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FA9	#FFFFFF	#000000	##FFFFFF
##374FA9	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145BAC

Deuteranopia (green-blind)

#0051A7

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374fa9;
/* rgb */ color: rgb(55, 79, 169);
/* oklch */ color: oklch(46.0% 0.147 268.7);

Tailwind

colors: {
  custom: {
    50: '#7b7fc3',
    500: '#374fa9',
    950: '#000000',
  },
}

SCSS

$custom: #374fa9;
$custom-light: #7b7fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#374fa9",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 169
  },
  "hsl": {
    "h": 227.368,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46043,
    "c": 0.14704,
    "h": 268.7
  },
  "luminance": 0.09269
}

Semantic roles & 50–950 ramp

primary

#374FA9

secondary

#C0B27B

accent

#BD4DDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #374FA9

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

Preview Lab → · Contrast checker → · Palette generator →