#374FC5#374FC5

#374FC5 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.3% C 0.185 H 269.3°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#374FC5
RGB	rgb(55, 79, 197)
HSL	hsl(230, 56%, 49%)
HSV	hsv(230, 72%, 77%)
CMYK	cmyk(72.1%, 59.9%, 0%, 22.7%)
CIE-LAB	lab(38.61, 31.45, -64.22)
CIE-LCH	lch(38.61, 71.50, 296.09°)
OKLab	oklab(48.29% -0.0021 -0.1853)
OKLCH	oklch(48.29% 0.185 269.3)
XYZ	xyz(14.4461, 10.4339, 54.0651)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FC5 #C5AD37

analogous

#3796C5 #374FC5 #6637C5

triadic

#374FC5 #C5374F #4FC537

tetradic

#374FC5 #C53796 #C5AD37 #37C566

square

#374FC5 #C53796 #C5AD37 #37C566

split-complementary

#374FC5 #C56637 #96C537

monochromatic

#1C2965 #2A3C95 #374FC5 #6578D4 #95A2E1

Accessibility & contrast

On white

6.80

#374FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#374FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FC5

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FC5	#FFFFFF	#000000	##FFFFFF
##374FC5	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C9

Deuteranopia (green-blind)

#0055C3

Tritanopia (blue-blind)

#006D82

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #374fc5;
/* rgb */ color: rgb(55, 79, 197);
/* oklch */ color: oklch(48.3% 0.185 269.3);

Tailwind

colors: {
  custom: {
    50: '#8180d7',
    500: '#374fc5',
    950: '#000000',
  },
}

SCSS

$custom: #374fc5;
$custom-light: #8180d7;
$custom-dark: #000000;

JSON

{
  "hex": "#374fc5",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 197
  },
  "hsl": {
    "h": 229.859,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48293,
    "c": 0.18536,
    "h": 269.3
  },
  "luminance": 0.10435
}

Semantic roles & 50–950 ramp

primary

#374FC5

secondary

#CDC28B

accent

#C648E0

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #374FC5

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

Preview Lab → · Contrast checker → · Palette generator →