#374EBA#374EBA

#374EBA is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.2% C 0.172 H 269.5°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#374EBA
RGB	rgb(55, 78, 186)
HSL	hsl(229, 54%, 47%)
HSV	hsv(229, 70%, 73%)
CMYK	cmyk(70.4%, 58.1%, 0%, 27.1%)
CIE-LAB	lab(37.49, 28.11, -59.61)
CIE-LCH	lch(37.49, 65.91, 295.24°)
OKLab	oklab(47.19% -0.0015 -0.1718)
OKLCH	oklch(47.19% 0.172 269.5)
XYZ	xyz(13.1598, 9.8049, 47.6438)
Luminance	0.0981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EBA #BAA337

analogous

#378FBA #374EBA #6237BA

triadic

#374EBA #BA374E #4EBA37

tetradic

#374EBA #BA378F #BAA337 #37BA62

square

#374EBA #BA378F #BAA337 #37BA62

split-complementary

#374EBA #BA6237 #8FBA37

monochromatic

#1B265C #293A8B #374EBA #5F72D0 #8E9CDE

Accessibility & contrast

On white

7.09

#374EBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#374EBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374EBA

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EBA	#FFFFFF	#000000	##FFFFFF
##374EBA	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBE

Deuteranopia (green-blind)

#0052B8

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #374eba;
/* rgb */ color: rgb(55, 78, 186);
/* oklch */ color: oklch(47.2% 0.172 269.5);

Tailwind

colors: {
  custom: {
    50: '#7f7fd0',
    500: '#374eba',
    950: '#000000',
  },
}

SCSS

$custom: #374eba;
$custom-light: #7f7fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#374eba",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 186
  },
  "hsl": {
    "h": 229.466,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47189,
    "c": 0.17184,
    "h": 269.5
  },
  "luminance": 0.09806
}

Semantic roles & 50–950 ramp

primary

#374EBA

secondary

#C8BC85

accent

#C44ADE

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #374EBA

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

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