#374CBF#374CBF

#374CBF is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.2% C 0.181 H 270.0°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#374CBF
RGB	rgb(55, 76, 191)
HSL	hsl(231, 55%, 48%)
HSV	hsv(231, 71%, 75%)
CMYK	cmyk(71.2%, 60.2%, 0%, 25.1%)
CIE-LAB	lab(37.37, 31.21, -62.73)
CIE-LCH	lch(37.37, 70.07, 296.45°)
OKLab	oklab(47.23% 0.0001 -0.181)
OKLCH	oklch(47.23% 0.181 270)
XYZ	xyz(13.5607, 9.7413, 50.4457)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CBF #BFAA37

analogous

#3790BF #374CBF #6637BF

triadic

#374CBF #BF374C #4CBF37

tetradic

#374CBF #BF3790 #BFAA37 #37BF66

square

#374CBF #BF3790 #BFAA37 #37BF66

split-complementary

#374CBF #BF6637 #90BF37

monochromatic

#1C2660 #29398F #374CBF #6273D2 #919DDF

Accessibility & contrast

On white

7.12

#374CBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#374CBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CBF

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CBF	#FFFFFF	#000000	##FFFFFF
##374CBF	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC3

Deuteranopia (green-blind)

#0052BD

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374cbf;
/* rgb */ color: rgb(55, 76, 191);
/* oklch */ color: oklch(47.2% 0.181 270.0);

Tailwind

colors: {
  custom: {
    50: '#807dd3',
    500: '#374cbf',
    950: '#000000',
  },
}

SCSS

$custom: #374cbf;
$custom-light: #807dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#374cbf",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 191
  },
  "hsl": {
    "h": 230.735,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47226,
    "c": 0.18102,
    "h": 270
  },
  "luminance": 0.09743
}

Semantic roles & 50–950 ramp

primary

#374CBF

secondary

#CAC088

accent

#C849DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #374CBF

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

Preview Lab → · Contrast checker → · Palette generator →