#374CB0#374CB0

#374CB0 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.0% C 0.161 H 270.0°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#374CB0
RGB	rgb(55, 76, 176)
HSL	hsl(230, 52%, 45%)
HSV	hsv(230, 69%, 69%)
CMYK	cmyk(68.8%, 56.8%, 0%, 31%)
CIE-LAB	lab(36.20, 25.77, -55.80)
CIE-LCH	lch(36.20, 61.47, 294.79°)
OKLab	oklab(45.99% -0.0001 -0.1607)
OKLCH	oklch(45.99% 0.161 270)
XYZ	xyz(11.9938, 9.1145, 42.1931)
Luminance	0.0912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374CB0 #B09B37

analogous

#3788B0 #374CB0 #5F37B0

triadic

#374CB0 #B0374C #4CB037

tetradic

#374CB0 #B03788 #B09B37 #37B05F

square

#374CB0 #B03788 #B09B37 #37B05F

split-complementary

#374CB0 #B05F37 #88B037

monochromatic

#1A2453 #283881 #374CB0 #596DCB #8896DA

Accessibility & contrast

On white

7.44

#374CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#374CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374CB0

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374CB0	#FFFFFF	#000000	##FFFFFF
##374CB0	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB3

Deuteranopia (green-blind)

#0050AE

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #374cb0;
/* rgb */ color: rgb(55, 76, 176);
/* oklch */ color: oklch(46.0% 0.161 270.0);

Tailwind

colors: {
  custom: {
    50: '#7d7dc8',
    500: '#374cb0',
    950: '#000000',
  },
}

SCSS

$custom: #374cb0;
$custom-light: #7d7dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#374cb0",
  "rgb": {
    "r": 55,
    "g": 76,
    "b": 176
  },
  "hsl": {
    "h": 229.587,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.45987,
    "c": 0.16066,
    "h": 270
  },
  "luminance": 0.09116
}

Semantic roles & 50–950 ramp

primary

#374CB0

secondary

#C4B87F

accent

#C34CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #374CB0

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

Preview Lab → · Contrast checker → · Palette generator →