#374FAD#374FAD

#374FAD is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.153 H 268.9°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#374FAD
RGB	rgb(55, 79, 173)
HSL	hsl(228, 52%, 45%)
HSV	hsv(228, 68%, 68%)
CMYK	cmyk(68.2%, 54.3%, 0%, 32.2%)
CIE-LAB	lab(36.78, 22.71, -53.09)
CIE-LCH	lch(36.78, 57.74, 293.16°)
OKLab	oklab(46.35% -0.0029 -0.1526)
OKLCH	oklch(46.35% 0.153 268.9)
XYZ	xyz(11.9118, 9.4202, 40.7176)
Luminance	0.0942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FAD #AD9537

analogous

#378AAD #374FAD #5A37AD

triadic

#374FAD #AD374F #4FAD37

tetradic

#374FAD #AD378A #AD9537 #37AD5A

square

#374FAD #AD378A #AD9537 #37AD5A

split-complementary

#374FAD #AD5A37 #8AAD37

monochromatic

#192550 #283A7F #374FAD #576FCA #8697D8

Accessibility & contrast

On white

7.28

#374FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#374FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FAD

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FAD	#FFFFFF	#000000	##FFFFFF
##374FAD	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#085CB0

Deuteranopia (green-blind)

#0051AB

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #374fad;
/* rgb */ color: rgb(55, 79, 173);
/* oklch */ color: oklch(46.4% 0.153 268.9);

Tailwind

colors: {
  custom: {
    50: '#7c80c6',
    500: '#374fad',
    950: '#000000',
  },
}

SCSS

$custom: #374fad;
$custom-light: #7c80c6;
$custom-dark: #000000;

JSON

{
  "hex": "#374fad",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 173
  },
  "hsl": {
    "h": 227.797,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4635,
    "c": 0.15267,
    "h": 268.9
  },
  "luminance": 0.09421
}

Semantic roles & 50–950 ramp

primary

#374FAD

secondary

#C2B47D

accent

#BE4DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374FAD

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

Preview Lab → · Contrast checker → · Palette generator →