#374DB2#374DB2

#374DB2 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.3% C 0.162 H 269.7°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#374DB2
RGB	rgb(55, 77, 178)
HSL	hsl(229, 53%, 46%)
HSV	hsv(229, 69%, 70%)
CMYK	cmyk(69.1%, 56.7%, 0%, 30.2%)
CIE-LAB	lab(36.62, 25.85, -56.32)
CIE-LCH	lch(36.62, 61.96, 294.65°)
OKLab	oklab(46.35% -0.0009 -0.1621)
OKLCH	oklch(46.35% 0.162 269.7)
XYZ	xyz(12.2626, 9.3331, 43.2661)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DB2 #B29C37

analogous

#378AB2 #374DB2 #5E37B2

triadic

#374DB2 #B2374D #4DB237

tetradic

#374DB2 #B2378A #B29C37 #37B25E

square

#374DB2 #B2378A #B29C37 #37B25E

split-complementary

#374DB2 #B25E37 #8AB237

monochromatic

#1A2554 #293983 #374DB2 #5A6FCC #8997DB

Accessibility & contrast

On white

7.33

#374DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#374DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DB2

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DB2	#FFFFFF	#000000	##FFFFFF
##374DB2	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB5

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374db2;
/* rgb */ color: rgb(55, 77, 178);
/* oklch */ color: oklch(46.3% 0.162 269.7);

Tailwind

colors: {
  custom: {
    50: '#7d7eca',
    500: '#374db2',
    950: '#000000',
  },
}

SCSS

$custom: #374db2;
$custom-light: #7d7eca;
$custom-dark: #000000;

JSON

{
  "hex": "#374db2",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 178
  },
  "hsl": {
    "h": 229.268,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46345,
    "c": 0.16215,
    "h": 269.7
  },
  "luminance": 0.09334
}

Semantic roles & 50–950 ramp

primary

#374DB2

secondary

#C5B880

accent

#C24CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #374DB2

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

Preview Lab → · Contrast checker → · Palette generator →