#374CA8#374CA8

#374CA8 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.149 H 269.8°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#374CA8
RGB	rgb(55, 76, 168)
HSL	hsl(229, 51%, 44%)
HSV	hsv(229, 67%, 66%)
CMYK	cmyk(67.3%, 54.8%, 0%, 34.1%)
CIE-LAB	lab(35.61, 22.86, -52.01)
CIE-LCH	lch(35.61, 56.81, 293.73°)
OKLab	oklab(45.35% -0.0005 -0.1495)
OKLCH	oklch(45.35% 0.15 269.8)
XYZ	xyz(11.2255, 8.8072, 38.1466)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CA8 #A89337

analogous

#3784A8 #374CA8 #5A37A8

triadic

#374CA8 #A8374C #4CA837

tetradic

#374CA8 #A83784 #A89337 #37A85A

square

#374CA8 #A83784 #A89337 #37A85A

split-complementary

#374CA8 #A85A37 #84A837

monochromatic

#19224C #28377A #374CA8 #556AC7 #8392D6

Accessibility & contrast

On white

7.60

#374CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#374CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CA8

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CA8	#FFFFFF	#000000	##FFFFFF
##374CA8	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0659AB

Deuteranopia (green-blind)

#004FA6

Tritanopia (blue-blind)

#006272

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #374ca8;
/* rgb */ color: rgb(55, 76, 168);
/* oklch */ color: oklch(45.4% 0.149 269.8);

Tailwind

colors: {
  custom: {
    50: '#7b7dc2',
    500: '#374ca8',
    950: '#000000',
  },
}

SCSS

$custom: #374ca8;
$custom-light: #7b7dc2;
$custom-dark: #000000;

JSON

{
  "hex": "#374ca8",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 168
  },
  "hsl": {
    "h": 228.85,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45354,
    "c": 0.1495,
    "h": 269.8
  },
  "luminance": 0.08808
}

Semantic roles & 50–950 ramp

primary

#374CA8

secondary

#C0B37B

accent

#C04EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374CA8

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

Preview Lab → · Contrast checker → · Palette generator →