#374DBC#374DBC

#374DBC is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.2% C 0.176 H 269.8°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#374DBC
RGB	rgb(55, 77, 188)
HSL	hsl(230, 55%, 48%)
HSV	hsv(230, 71%, 74%)
CMYK	cmyk(70.7%, 59%, 0%, 26.3%)
CIE-LAB	lab(37.39, 29.48, -60.95)
CIE-LCH	lch(37.39, 67.71, 295.81°)
OKLab	oklab(47.16% -0.0007 -0.1758)
OKLCH	oklch(47.16% 0.176 269.8)
XYZ	xyz(13.3034, 9.7495, 48.7479)
Luminance	0.0975 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DBC #BCA637

analogous

#3790BC #374DBC #6337BC

triadic

#374DBC #BC374D #4DBC37

tetradic

#374DBC #BC3790 #BCA637 #37BC63

square

#374DBC #BC3790 #BCA637 #37BC63

split-complementary

#374DBC #BC6337 #90BC37

monochromatic

#1B265D #293A8D #374DBC #6072D0 #8F9CDE

Accessibility & contrast

On white

7.12

#374DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#374DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DBC

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DBC	#FFFFFF	#000000	##FFFFFF
##374DBC	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC0

Deuteranopia (green-blind)

#0052BA

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374dbc;
/* rgb */ color: rgb(55, 77, 188);
/* oklch */ color: oklch(47.2% 0.176 269.8);

Tailwind

colors: {
  custom: {
    50: '#7f7ed1',
    500: '#374dbc',
    950: '#000000',
  },
}

SCSS

$custom: #374dbc;
$custom-light: #7f7ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#374dbc",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 188
  },
  "hsl": {
    "h": 230.075,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.47162,
    "c": 0.17578,
    "h": 269.8
  },
  "luminance": 0.09751
}

Semantic roles & 50–950 ramp

primary

#374DBC

secondary

#C9BE86

accent

#C64ADE

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #374DBC

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

Preview Lab → · Contrast checker → · Palette generator →