#374BA8#374BA8

#374BA8 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.151 H 270.1°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#374BA8
RGB	rgb(55, 75, 168)
HSL	hsl(229, 51%, 44%)
HSV	hsv(229, 67%, 66%)
CMYK	cmyk(67.3%, 55.4%, 0%, 34.1%)
CIE-LAB	lab(35.34, 23.52, -52.44)
CIE-LCH	lch(35.34, 57.47, 294.15°)
OKLab	oklab(45.15% 0.0004 -0.1508)
OKLCH	oklch(45.15% 0.151 270.1)
XYZ	xyz(11.1571, 8.6705, 38.1238)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BA8 #A89437

analogous

#3783A8 #374BA8 #5B37A8

triadic

#374BA8 #A8374B #4BA837

tetradic

#374BA8 #A83783 #A89437 #37A85B

square

#374BA8 #A83783 #A89437 #37A85B

split-complementary

#374BA8 #A85B37 #83A837

monochromatic

#19224C #28367A #374BA8 #5569C7 #8392D6

Accessibility & contrast

On white

7.68

#374BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#374BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BA8

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BA8	#FFFFFF	#000000	##FFFFFF
##374BA8	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AB

Deuteranopia (green-blind)

#004EA6

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #374ba8;
/* rgb */ color: rgb(55, 75, 168);
/* oklch */ color: oklch(45.2% 0.151 270.1);

Tailwind

colors: {
  custom: {
    50: '#7b7dc3',
    500: '#374ba8',
    950: '#000000',
  },
}

SCSS

$custom: #374ba8;
$custom-light: #7b7dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#374ba8",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 168
  },
  "hsl": {
    "h": 229.381,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45152,
    "c": 0.15079,
    "h": 270.1
  },
  "luminance": 0.08672
}

Semantic roles & 50–950 ramp

primary

#374BA8

secondary

#C0B47B

accent

#C14EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #374BA8

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

Preview Lab → · Contrast checker → · Palette generator →