#374EC3#374EC3

#374EC3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.9% C 0.184 H 269.6°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#374EC3
RGB	rgb(55, 78, 195)
HSL	hsl(230, 56%, 49%)
HSV	hsv(230, 72%, 76%)
CMYK	cmyk(71.8%, 60%, 0%, 23.5%)
CIE-LAB	lab(38.20, 31.36, -63.72)
CIE-LCH	lch(38.20, 71.03, 296.21°)
OKLab	oklab(47.94% -0.0014 -0.1839)
OKLCH	oklch(47.94% 0.184 269.6)
XYZ	xyz(14.1469, 10.1997, 52.8424)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EC3 #C3AC37

analogous

#3794C3 #374EC3 #6637C3

triadic

#374EC3 #C3374E #4EC337

tetradic

#374EC3 #C33794 #C3AC37 #37C366

square

#374EC3 #C33794 #C3AC37 #37C366

split-complementary

#374EC3 #C36637 #94C337

monochromatic

#1C2864 #2A3B93 #374EC3 #6476D3 #94A0E1

Accessibility & contrast

On white

6.91

#374EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#374EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374EC3

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EC3	#FFFFFF	#000000	##FFFFFF
##374EC3	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C7

Deuteranopia (green-blind)

#0054C1

Tritanopia (blue-blind)

#006B81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #374ec3;
/* rgb */ color: rgb(55, 78, 195);
/* oklch */ color: oklch(47.9% 0.184 269.6);

Tailwind

colors: {
  custom: {
    50: '#817fd6',
    500: '#374ec3',
    950: '#000000',
  },
}

SCSS

$custom: #374ec3;
$custom-light: #817fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#374ec3",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 195
  },
  "hsl": {
    "h": 230.143,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47938,
    "c": 0.18392,
    "h": 269.6
  },
  "luminance": 0.10201
}

Semantic roles & 50–950 ramp

primary

#374EC3

secondary

#CCC18A

accent

#C749DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #374EC3

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

Preview Lab → · Contrast checker → · Palette generator →