#374EC6#374EC6

#374EC6 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.2% C 0.188 H 269.6°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#374EC6
RGB	rgb(55, 78, 198)
HSL	hsl(230, 57%, 50%)
HSV	hsv(230, 72%, 78%)
CMYK	cmyk(72.2%, 60.6%, 0%, 22.4%)
CIE-LAB	lab(38.44, 32.45, -65.08)
CIE-LCH	lch(38.44, 72.72, 296.50°)
OKLab	oklab(48.19% -0.0014 -0.1879)
OKLCH	oklch(48.19% 0.188 269.6)
XYZ	xyz(14.4895, 10.3367, 54.6467)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EC6 #C6AF37

analogous

#3795C6 #374EC6 #6837C6

triadic

#374EC6 #C6374E #4EC637

tetradic

#374EC6 #C63795 #C6AF37 #37C668

square

#374EC6 #C63795 #C6AF37 #37C668

split-complementary

#374EC6 #C66837 #95C637

monochromatic

#1C2866 #2A3B96 #374EC6 #6678D4 #96A2E2

Accessibility & contrast

On white

6.85

#374EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#374EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374EC6

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EC6	#FFFFFF	#000000	##FFFFFF
##374EC6	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061CA

Deuteranopia (green-blind)

#0054C4

Tritanopia (blue-blind)

#006C82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #374ec6;
/* rgb */ color: rgb(55, 78, 198);
/* oklch */ color: oklch(48.2% 0.188 269.6);

Tailwind

colors: {
  custom: {
    50: '#817fd8',
    500: '#374ec6',
    950: '#000000',
  },
}

SCSS

$custom: #374ec6;
$custom-light: #817fd8;
$custom-dark: #000000;

JSON

{
  "hex": "#374ec6",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 198
  },
  "hsl": {
    "h": 230.35,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48192,
    "c": 0.18789,
    "h": 269.6
  },
  "luminance": 0.10338
}

Semantic roles & 50–950 ramp

primary

#374EC6

secondary

#CDC38C

accent

#C748E0

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #374EC6

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

Preview Lab → · Contrast checker → · Palette generator →