#374BC3#374BC3

#374BC3 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.4% C 0.188 H 270.2°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#374BC3
RGB	rgb(55, 75, 195)
HSL	hsl(231, 56%, 49%)
HSV	hsv(231, 72%, 76%)
CMYK	cmyk(71.8%, 61.5%, 0%, 23.5%)
CIE-LAB	lab(37.45, 33.28, -64.95)
CIE-LCH	lch(37.45, 72.98, 297.13°)
OKLab	oklab(47.38% 0.0008 -0.1875)
OKLCH	oklch(47.38% 0.188 270.2)
XYZ	xyz(13.9386, 9.7831, 52.7729)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BC3 #C3AF37

analogous

#3791C3 #374BC3 #6937C3

triadic

#374BC3 #C3374B #4BC337

tetradic

#374BC3 #C33791 #C3AF37 #37C369

square

#374BC3 #C33791 #C3AF37 #37C369

split-complementary

#374BC3 #C36937 #91C337

monochromatic

#1C2664 #2A3993 #374BC3 #6474D3 #949FE1

Accessibility & contrast

On white

7.10

#374BC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#374BC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BC3

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BC3	#FFFFFF	#000000	##FFFFFF
##374BC3	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC7

Deuteranopia (green-blind)

#0052C1

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374bc3;
/* rgb */ color: rgb(55, 75, 195);
/* oklch */ color: oklch(47.4% 0.188 270.2);

Tailwind

colors: {
  custom: {
    50: '#817dd6',
    500: '#374bc3',
    950: '#000000',
  },
}

SCSS

$custom: #374bc3;
$custom-light: #817dd6;
$custom-dark: #000000;

JSON

{
  "hex": "#374bc3",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 195
  },
  "hsl": {
    "h": 231.429,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47384,
    "c": 0.18753,
    "h": 270.2
  },
  "luminance": 0.09785
}

Semantic roles & 50–950 ramp

primary

#374BC3

secondary

#CCC28A

accent

#CA49DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #374BC3

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

Preview Lab → · Contrast checker → · Palette generator →