#374DAC#374DAC

#374DAC is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.9% C 0.154 H 269.6°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#374DAC
RGB	rgb(55, 77, 172)
HSL	hsl(229, 52%, 45%)
HSV	hsv(229, 68%, 67%)
CMYK	cmyk(68%, 55.2%, 0%, 32.5%)
CIE-LAB	lab(36.17, 23.66, -53.48)
CIE-LCH	lch(36.17, 58.48, 293.86°)
OKLab	oklab(45.87% -0.0012 -0.1538)
OKLCH	oklch(45.87% 0.154 269.6)
XYZ	xyz(11.6733, 9.0974, 40.1625)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DAC #AC9637

analogous

#3788AC #374DAC #5C37AC

triadic

#374DAC #AC374D #4DAC37

tetradic

#374DAC #AC3788 #AC9637 #37AC5C

square

#374DAC #AC3788 #AC9637 #37AC5C

split-complementary

#374DAC #AC5C37 #88AC37

monochromatic

#19234F #28387E #374DAC #576CC9 #8595D8

Accessibility & contrast

On white

7.45

#374DAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#374DAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DAC

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DAC	#FFFFFF	#000000	##FFFFFF
##374DAC	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BAF

Deuteranopia (green-blind)

#0050AA

Tritanopia (blue-blind)

#006475

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #374dac;
/* rgb */ color: rgb(55, 77, 172);
/* oklch */ color: oklch(45.9% 0.154 269.6);

Tailwind

colors: {
  custom: {
    50: '#7c7ec5',
    500: '#374dac',
    950: '#000000',
  },
}

SCSS

$custom: #374dac;
$custom-light: #7c7ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#374dac",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 172
  },
  "hsl": {
    "h": 228.718,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.45868,
    "c": 0.15382,
    "h": 269.6
  },
  "luminance": 0.09099
}

Semantic roles & 50–950 ramp

primary

#374DAC

secondary

#C2B57D

accent

#C04DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374DAC

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

Preview Lab → · Contrast checker → · Palette generator →