#374FC8#374FC8

#374FC8 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.189 H 269.4°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#374FC8
RGB	rgb(55, 79, 200)
HSL	hsl(230, 57%, 50%)
HSV	hsv(230, 73%, 78%)
CMYK	cmyk(72.5%, 60.5%, 0%, 21.6%)
CIE-LAB	lab(38.85, 32.53, -65.57)
CIE-LCH	lch(38.85, 73.19, 296.38°)
OKLab	oklab(48.55% -0.0021 -0.1893)
OKLCH	oklch(48.55% 0.189 269.4)
XYZ	xyz(14.7933, 10.5728, 55.8935)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FC8 #C8B037

analogous

#3798C8 #374FC8 #6737C8

triadic

#374FC8 #C8374F #4FC837

tetradic

#374FC8 #C83798 #C8B037 #37C867

square

#374FC8 #C83798 #C8B037 #37C867

split-complementary

#374FC8 #C86737 #98C837

monochromatic

#1D2968 #2A3C98 #374FC8 #6779D5 #97A3E2

Accessibility & contrast

On white

6.74

#374FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#374FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374FC8

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FC8	#FFFFFF	#000000	##FFFFFF
##374FC8	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CC

Deuteranopia (green-blind)

#0055C6

Tritanopia (blue-blind)

#006E84

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #374fc8;
/* rgb */ color: rgb(55, 79, 200);
/* oklch */ color: oklch(48.5% 0.189 269.4);

Tailwind

colors: {
  custom: {
    50: '#8280da',
    500: '#374fc8',
    950: '#000000',
  },
}

SCSS

$custom: #374fc8;
$custom-light: #8280da;
$custom-dark: #000000;

JSON

{
  "hex": "#374fc8",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 200
  },
  "hsl": {
    "h": 230.069,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.48548,
    "c": 0.18932,
    "h": 269.4
  },
  "luminance": 0.10574
}

Semantic roles & 50–950 ramp

primary

#374FC8

secondary

#CEC38D

accent

#C748E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #374FC8

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

Preview Lab → · Contrast checker → · Palette generator →