#374BBA#374BBA

#374BBA is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.6% C 0.176 H 270.3°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#374BBA
RGB	rgb(55, 75, 186)
HSL	hsl(231, 54%, 47%)
HSV	hsv(231, 70%, 73%)
CMYK	cmyk(70.4%, 59.7%, 0%, 27.1%)
CIE-LAB	lab(36.72, 30.05, -60.86)
CIE-LCH	lch(36.72, 67.88, 296.27°)
OKLab	oklab(46.62% 0.0009 -0.1756)
OKLCH	oklch(46.62% 0.176 270.3)
XYZ	xyz(12.9515, 9.3883, 47.5744)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374BBA #BAA637

analogous

#378CBA #374BBA #6537BA

triadic

#374BBA #BA374B #4BBA37

tetradic

#374BBA #BA378C #BAA637 #37BA65

square

#374BBA #BA378C #BAA637 #37BA65

split-complementary

#374BBA #BA6537 #8CBA37

monochromatic

#1B255C #29388B #374BBA #5F70D0 #8E9ADE

Accessibility & contrast

On white

7.30

#374BBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#374BBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374BBA

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374BBA	#FFFFFF	#000000	##FFFFFF
##374BBA	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBE

Deuteranopia (green-blind)

#0051B8

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #374bba;
/* rgb */ color: rgb(55, 75, 186);
/* oklch */ color: oklch(46.6% 0.176 270.3);

Tailwind

colors: {
  custom: {
    50: '#7f7dd0',
    500: '#374bba',
    950: '#000000',
  },
}

SCSS

$custom: #374bba;
$custom-light: #7f7dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#374bba",
  "rgb": {
    "r": 55,
    "g": 75,
    "b": 186
  },
  "hsl": {
    "h": 230.84,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.46616,
    "c": 0.17555,
    "h": 270.3
  },
  "luminance": 0.0939
}

Semantic roles & 50–950 ramp

primary

#374BBA

secondary

#C8BE85

accent

#C74ADE

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #374BBA

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

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