#374CC6#374CC6

#374CC6 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.8% C 0.190 H 270.0°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#374CC6
RGB	rgb(55, 76, 198)
HSL	hsl(231, 57%, 50%)
HSV	hsv(231, 72%, 78%)
CMYK	cmyk(72.2%, 61.6%, 0%, 22.4%)
CIE-LAB	lab(37.94, 33.72, -65.89)
CIE-LCH	lch(37.94, 74.01, 297.10°)
OKLab	oklab(47.83% 0 -0.1903)
OKLCH	oklch(47.83% 0.19 270)
XYZ	xyz(14.3495, 10.0568, 54.6001)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CC6 #C6B137

analogous

#3794C6 #374CC6 #6A37C6

triadic

#374CC6 #C6374C #4CC637

tetradic

#374CC6 #C63794 #C6B137 #37C66A

square

#374CC6 #C63794 #C6B137 #37C66A

split-complementary

#374CC6 #C66A37 #94C637

monochromatic

#1C2766 #2A3A96 #374CC6 #6676D4 #96A1E2

Accessibility & contrast

On white

6.97

#374CC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#374CC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374CC6

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CC6	#FFFFFF	#000000	##FFFFFF
##374CC6	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CA

Deuteranopia (green-blind)

#0053C4

Tritanopia (blue-blind)

#006B82

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374cc6;
/* rgb */ color: rgb(55, 76, 198);
/* oklch */ color: oklch(47.8% 0.190 270.0);

Tailwind

colors: {
  custom: {
    50: '#817ed8',
    500: '#374cc6',
    950: '#000000',
  },
}

SCSS

$custom: #374cc6;
$custom-light: #817ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#374cc6",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 198
  },
  "hsl": {
    "h": 231.189,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.47825,
    "c": 0.19028,
    "h": 270
  },
  "luminance": 0.10058
}

Semantic roles & 50–950 ramp

primary

#374CC6

secondary

#CDC38C

accent

#CA48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #374CC6

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

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