#374DBA#374DBA

#374DBA is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.0% C 0.173 H 269.8°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#374DBA
RGB	rgb(55, 77, 186)
HSL	hsl(230, 54%, 47%)
HSV	hsv(230, 70%, 73%)
CMYK	cmyk(70.4%, 58.6%, 0%, 27.1%)
CIE-LAB	lab(37.23, 28.75, -60.03)
CIE-LCH	lch(37.23, 66.56, 295.59°)
OKLab	oklab(47% -0.0007 -0.1731)
OKLCH	oklch(47% 0.173 269.8)
XYZ	xyz(13.0893, 9.6638, 47.6203)
Luminance	0.0966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DBA #BAA437

analogous

#378EBA #374DBA #6337BA

triadic

#374DBA #BA374D #4DBA37

tetradic

#374DBA #BA378E #BAA437 #37BA63

square

#374DBA #BA378E #BAA437 #37BA63

split-complementary

#374DBA #BA6337 #8EBA37

monochromatic

#1B265C #29398B #374DBA #5F72D0 #8E9BDE

Accessibility & contrast

On white

7.16

#374DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#374DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DBA

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DBA	#FFFFFF	#000000	##FFFFFF
##374DBA	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBE

Deuteranopia (green-blind)

#0052B8

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374dba;
/* rgb */ color: rgb(55, 77, 186);
/* oklch */ color: oklch(47.0% 0.173 269.8);

Tailwind

colors: {
  custom: {
    50: '#7f7ed0',
    500: '#374dba',
    950: '#000000',
  },
}

SCSS

$custom: #374dba;
$custom-light: #7f7ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#374dba",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 186
  },
  "hsl": {
    "h": 229.924,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.46997,
    "c": 0.17308,
    "h": 269.8
  },
  "luminance": 0.09665
}

Semantic roles & 50–950 ramp

primary

#374DBA

secondary

#C8BD85

accent

#C54ADE

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #374DBA

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

Preview Lab → · Contrast checker → · Palette generator →