#374EC5#374EC5

#374EC5 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.1% C 0.187 H 269.6°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#374EC5
RGB	rgb(55, 78, 197)
HSL	hsl(230, 56%, 49%)
HSV	hsv(230, 72%, 77%)
CMYK	cmyk(72.1%, 60.4%, 0%, 22.7%)
CIE-LAB	lab(38.36, 32.09, -64.63)
CIE-LCH	lch(38.36, 72.15, 296.40°)
OKLab	oklab(48.11% -0.0014 -0.1866)
OKLCH	oklch(48.11% 0.187 269.6)
XYZ	xyz(14.3745, 10.2907, 54.0412)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EC5 #C5AE37

analogous

#3795C5 #374EC5 #6737C5

triadic

#374EC5 #C5374E #4EC537

tetradic

#374EC5 #C53795 #C5AE37 #37C567

square

#374EC5 #C53795 #C5AE37 #37C567

split-complementary

#374EC5 #C56737 #95C537

monochromatic

#1C2865 #2A3B95 #374EC5 #6577D4 #95A1E1

Accessibility & contrast

On white

6.87

#374EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#374EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374EC5

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EC5	#FFFFFF	#000000	##FFFFFF
##374EC5	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C9

Deuteranopia (green-blind)

#0054C3

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #374ec5;
/* rgb */ color: rgb(55, 78, 197);
/* oklch */ color: oklch(48.1% 0.187 269.6);

Tailwind

colors: {
  custom: {
    50: '#817fd8',
    500: '#374ec5',
    950: '#000000',
  },
}

SCSS

$custom: #374ec5;
$custom-light: #817fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#374ec5",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 197
  },
  "hsl": {
    "h": 230.282,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48107,
    "c": 0.18657,
    "h": 269.6
  },
  "luminance": 0.10292
}

Semantic roles & 50–950 ramp

primary

#374EC5

secondary

#CDC28B

accent

#C748E0

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #374EC5

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

Preview Lab → · Contrast checker → · Palette generator →