#374CA2#374CA2

#374CA2 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.9% C 0.141 H 269.6°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#374CA2
RGB	rgb(55, 76, 162)
HSL	hsl(228, 49%, 43%)
HSV	hsv(228, 66%, 64%)
CMYK	cmyk(66%, 53.1%, 0%, 36.5%)
CIE-LAB	lab(35.18, 20.67, -49.11)
CIE-LCH	lch(35.18, 53.29, 292.82°)
OKLab	oklab(44.89% -0.001 -0.141)
OKLCH	oklch(44.89% 0.141 269.6)
XYZ	xyz(10.6794, 8.5888, 35.2704)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CA2 #A28D37

analogous

#3782A2 #374CA2 #5737A2

triadic

#374CA2 #A2374C #4CA237

tetradic

#374CA2 #A23782 #A28D37 #37A257

square

#374CA2 #A23782 #A28D37 #37A257

split-complementary

#374CA2 #A25737 #82A237

monochromatic

#182147 #273774 #374CA2 #5268C4 #8090D4

Accessibility & contrast

On white

7.73

#374CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#374CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CA2

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CA2	#FFFFFF	#000000	##FFFFFF
##374CA2	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1658A5

Deuteranopia (green-blind)

#004EA0

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #374ca2;
/* rgb */ color: rgb(55, 76, 162);
/* oklch */ color: oklch(44.9% 0.141 269.6);

Tailwind

colors: {
  custom: {
    50: '#7a7dbe',
    500: '#374ca2',
    950: '#000000',
  },
}

SCSS

$custom: #374ca2;
$custom-light: #7a7dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#374ca2",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 162
  },
  "hsl": {
    "h": 228.224,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44893,
    "c": 0.14098,
    "h": 269.6
  },
  "luminance": 0.0859
}

Semantic roles & 50–950 ramp

primary

#374CA2

secondary

#BDAF78

accent

#BE4FD9

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374CA2

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

Preview Lab → · Contrast checker → · Palette generator →