#374FC1#374FC1

#374FC1 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.0% C 0.180 H 269.3°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#374FC1
RGB	rgb(55, 79, 193)
HSL	hsl(230, 56%, 49%)
HSV	hsv(230, 72%, 76%)
CMYK	cmyk(71.5%, 59.1%, 0%, 24.3%)
CIE-LAB	lab(38.29, 30.00, -62.40)
CIE-LCH	lch(38.29, 69.24, 295.67°)
OKLab	oklab(47.96% -0.0021 -0.18)
OKLCH	oklch(47.96% 0.18 269.3)
XYZ	xyz(13.9939, 10.2530, 51.6833)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FC1 #C1A937

analogous

#3794C1 #374FC1 #6437C1

triadic

#374FC1 #C1374F #4FC137

tetradic

#374FC1 #C13794 #C1A937 #37C164

square

#374FC1 #C13794 #C1A937 #37C164

split-complementary

#374FC1 #C16437 #94C137

monochromatic

#1C2862 #293C91 #374FC1 #6376D2 #92A0E0

Accessibility & contrast

On white

6.88

#374FC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#374FC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FC1

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FC1	#FFFFFF	#000000	##FFFFFF
##374FC1	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C5

Deuteranopia (green-blind)

#0054BF

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #374fc1;
/* rgb */ color: rgb(55, 79, 193);
/* oklch */ color: oklch(48.0% 0.180 269.3);

Tailwind

colors: {
  custom: {
    50: '#8080d5',
    500: '#374fc1',
    950: '#000000',
  },
}

SCSS

$custom: #374fc1;
$custom-light: #8080d5;
$custom-dark: #000000;

JSON

{
  "hex": "#374fc1",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 193
  },
  "hsl": {
    "h": 229.565,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47958,
    "c": 0.18003,
    "h": 269.3
  },
  "luminance": 0.10254
}

Semantic roles & 50–950 ramp

primary

#374FC1

secondary

#CBC089

accent

#C549DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #374FC1

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

Preview Lab → · Contrast checker → · Palette generator →