#374FBA#374FBA

#374FBA is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.4% C 0.171 H 269.2°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#374FBA
RGB	rgb(55, 79, 186)
HSL	hsl(229, 54%, 47%)
HSV	hsv(229, 70%, 73%)
CMYK	cmyk(70.4%, 57.5%, 0%, 27.1%)
CIE-LAB	lab(37.75, 27.46, -59.19)
CIE-LCH	lch(37.75, 65.25, 294.89°)
OKLab	oklab(47.38% -0.0023 -0.1706)
OKLCH	oklch(47.38% 0.171 269.2)
XYZ	xyz(13.2314, 9.9480, 47.6677)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374FBA #BAA237

analogous

#3790BA #374FBA #6137BA

triadic

#374FBA #BA374F #4FBA37

tetradic

#374FBA #BA3790 #BAA237 #37BA61

square

#374FBA #BA3790 #BAA237 #37BA61

split-complementary

#374FBA #BA6137 #90BA37

monochromatic

#1B275C #293B8B #374FBA #5F73D0 #8E9CDE

Accessibility & contrast

On white

7.02

#374FBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#374FBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374FBA

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374FBA	#FFFFFF	#000000	##FFFFFF
##374FBA	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374fba;
/* rgb */ color: rgb(55, 79, 186);
/* oklch */ color: oklch(47.4% 0.171 269.2);

Tailwind

colors: {
  custom: {
    50: '#7f80d0',
    500: '#374fba',
    950: '#000000',
  },
}

SCSS

$custom: #374fba;
$custom-light: #7f80d0;
$custom-dark: #000000;

JSON

{
  "hex": "#374fba",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 186
  },
  "hsl": {
    "h": 229.008,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47382,
    "c": 0.1706,
    "h": 269.2
  },
  "luminance": 0.09949
}

Semantic roles & 50–950 ramp

primary

#374FBA

secondary

#C8BC85

accent

#C34ADE

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #374FBA

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

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