#374BBE#374BBE

#374BBE is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.0% C 0.181 H 270.3°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#374BBE
RGB	rgb(55, 75, 190)
HSL	hsl(231, 55%, 48%)
HSV	hsv(231, 71%, 75%)
CMYK	cmyk(71.1%, 60.5%, 0%, 25.5%)
CIE-LAB	lab(37.04, 31.49, -62.69)
CIE-LCH	lch(37.04, 70.15, 296.67°)
OKLab	oklab(46.96% 0.0009 -0.1809)
OKLCH	oklch(46.96% 0.181 270.3)
XYZ	xyz(13.3827, 9.5607, 49.8453)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BBE #BEAA37

analogous

#378EBE #374BBE #6637BE

triadic

#374BBE #BE374B #4BBE37

tetradic

#374BBE #BE378E #BEAA37 #37BE66

square

#374BBE #BE378E #BEAA37 #37BE66

split-complementary

#374BBE #BE6637 #8EBE37

monochromatic

#1C265F #29388F #374BBE #6172D1 #909CDF

Accessibility & contrast

On white

7.21

#374BBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#374BBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BBE

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BBE	#FFFFFF	#000000	##FFFFFF
##374BBE	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC2

Deuteranopia (green-blind)

#0051BC

Tritanopia (blue-blind)

#00687D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #374bbe;
/* rgb */ color: rgb(55, 75, 190);
/* oklch */ color: oklch(47.0% 0.181 270.3);

Tailwind

colors: {
  custom: {
    50: '#807dd2',
    500: '#374bbe',
    950: '#000000',
  },
}

SCSS

$custom: #374bbe;
$custom-light: #807dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#374bbe",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 190
  },
  "hsl": {
    "h": 231.111,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.46955,
    "c": 0.1809,
    "h": 270.3
  },
  "luminance": 0.09562
}

Semantic roles & 50–950 ramp

primary

#374BBE

secondary

#CAC087

accent

#C849DE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #374BBE

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

Preview Lab → · Contrast checker → · Palette generator →