#374CB2#374CB2

#374CB2 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.1% C 0.163 H 270.0°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#374CB2
RGB	rgb(55, 76, 178)
HSL	hsl(230, 53%, 46%)
HSV	hsv(230, 69%, 70%)
CMYK	cmyk(69.1%, 57.3%, 0%, 30.2%)
CIE-LAB	lab(36.36, 26.50, -56.74)
CIE-LCH	lch(36.36, 62.63, 295.03°)
OKLab	oklab(46.15% -0.0001 -0.1634)
OKLCH	oklch(46.15% 0.163 270)
XYZ	xyz(12.1931, 9.1943, 43.2429)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CB2 #B29D37

analogous

#3789B2 #374CB2 #5F37B2

triadic

#374CB2 #B2374C #4CB237

tetradic

#374CB2 #B23789 #B29D37 #37B25F

square

#374CB2 #B23789 #B29D37 #37B25F

split-complementary

#374CB2 #B25F37 #89B237

monochromatic

#1A2454 #293883 #374CB2 #5A6ECC #8997DB

Accessibility & contrast

On white

7.40

#374CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#374CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CB2

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CB2	#FFFFFF	#000000	##FFFFFF
##374CB2	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB5

Deuteranopia (green-blind)

#0050B0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374cb2;
/* rgb */ color: rgb(55, 76, 178);
/* oklch */ color: oklch(46.1% 0.163 270.0);

Tailwind

colors: {
  custom: {
    50: '#7d7dca',
    500: '#374cb2',
    950: '#000000',
  },
}

SCSS

$custom: #374cb2;
$custom-light: #7d7dca;
$custom-dark: #000000;

JSON

{
  "hex": "#374cb2",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 178
  },
  "hsl": {
    "h": 229.756,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46148,
    "c": 0.16342,
    "h": 270
  },
  "luminance": 0.09195
}

Semantic roles & 50–950 ramp

primary

#374CB2

secondary

#C5B980

accent

#C44CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374CB2

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

Preview Lab → · Contrast checker → · Palette generator →