#374FC6#374FC6

#374FC6 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.4% C 0.187 H 269.3°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#374FC6
RGB	rgb(55, 79, 198)
HSL	hsl(230, 57%, 50%)
HSV	hsv(230, 72%, 78%)
CMYK	cmyk(72.2%, 60.1%, 0%, 22.4%)
CIE-LAB	lab(38.69, 31.81, -64.67)
CIE-LCH	lch(38.69, 72.07, 296.19°)
OKLab	oklab(48.38% -0.0021 -0.1867)
OKLCH	oklch(48.38% 0.187 269.3)
XYZ	xyz(14.5611, 10.4799, 54.6706)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FC6 #C6AE37

analogous

#3797C6 #374FC6 #6737C6

triadic

#374FC6 #C6374F #4FC637

tetradic

#374FC6 #C63797 #C6AE37 #37C667

square

#374FC6 #C63797 #C6AE37 #37C667

split-complementary

#374FC6 #C66737 #97C637

monochromatic

#1C2966 #2A3C96 #374FC6 #6678D4 #96A2E2

Accessibility & contrast

On white

6.78

#374FC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#374FC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FC6

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FC6	#FFFFFF	#000000	##FFFFFF
##374FC6	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CA

Deuteranopia (green-blind)

#0055C4

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #374fc6;
/* rgb */ color: rgb(55, 79, 198);
/* oklch */ color: oklch(48.4% 0.187 269.3);

Tailwind

colors: {
  custom: {
    50: '#8180d8',
    500: '#374fc6',
    950: '#000000',
  },
}

SCSS

$custom: #374fc6;
$custom-light: #8180d8;
$custom-dark: #000000;

JSON

{
  "hex": "#374fc6",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 198
  },
  "hsl": {
    "h": 229.93,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48378,
    "c": 0.18668,
    "h": 269.3
  },
  "luminance": 0.10481
}

Semantic roles & 50–950 ramp

primary

#374FC6

secondary

#CDC28C

accent

#C648E0

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #374FC6

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

Preview Lab → · Contrast checker → · Palette generator →