#374FC3#374FC3

#374FC3 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.1% C 0.183 H 269.3°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#374FC3
RGB	rgb(55, 79, 195)
HSL	hsl(230, 56%, 49%)
HSV	hsv(230, 72%, 76%)
CMYK	cmyk(71.8%, 59.5%, 0%, 23.5%)
CIE-LAB	lab(38.45, 30.72, -63.31)
CIE-LCH	lch(38.45, 70.37, 295.88°)
OKLab	oklab(48.13% -0.0021 -0.1827)
OKLCH	oklch(48.13% 0.183 269.3)
XYZ	xyz(14.2185, 10.3429, 52.8662)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FC3 #C3AB37

analogous

#3795C3 #374FC3 #6537C3

triadic

#374FC3 #C3374F #4FC337

tetradic

#374FC3 #C33795 #C3AB37 #37C365

square

#374FC3 #C33795 #C3AB37 #37C365

split-complementary

#374FC3 #C36537 #95C337

monochromatic

#1C2864 #2A3C93 #374FC3 #6477D3 #94A1E1

Accessibility & contrast

On white

6.84

#374FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#374FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FC3

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FC3	#FFFFFF	#000000	##FFFFFF
##374FC3	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C7

Deuteranopia (green-blind)

#0054C1

Tritanopia (blue-blind)

#006C81

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #374fc3;
/* rgb */ color: rgb(55, 79, 195);
/* oklch */ color: oklch(48.1% 0.183 269.3);

Tailwind

colors: {
  custom: {
    50: '#8080d6',
    500: '#374fc3',
    950: '#000000',
  },
}

SCSS

$custom: #374fc3;
$custom-light: #8080d6;
$custom-dark: #000000;

JSON

{
  "hex": "#374fc3",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 195
  },
  "hsl": {
    "h": 229.714,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48125,
    "c": 0.1827,
    "h": 269.3
  },
  "luminance": 0.10344
}

Semantic roles & 50–950 ramp

primary

#374FC3

secondary

#CCC18A

accent

#C549DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #374FC3

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

Preview Lab → · Contrast checker → · Palette generator →