#374DBF#374DBF

#374DBF is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.4% C 0.180 H 269.8°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#374DBF
RGB	rgb(55, 77, 191)
HSL	hsl(230, 55%, 48%)
HSV	hsv(230, 71%, 75%)
CMYK	cmyk(71.2%, 59.7%, 0%, 25.1%)
CIE-LAB	lab(37.63, 30.56, -62.32)
CIE-LCH	lch(37.63, 69.41, 296.12°)
OKLab	oklab(47.41% -0.0006 -0.1798)
OKLCH	oklch(47.41% 0.18 269.8)
XYZ	xyz(13.6302, 9.8802, 50.4689)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374DBF #BFA937

analogous

#3791BF #374DBF #6537BF

triadic

#374DBF #BF374D #4DBF37

tetradic

#374DBF #BF3791 #BFA937 #37BF65

square

#374DBF #BF3791 #BFA937 #37BF65

split-complementary

#374DBF #BF6537 #91BF37

monochromatic

#1C2760 #293A8F #374DBF #6274D2 #919EDF

Accessibility & contrast

On white

7.06

#374DBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#374DBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374DBF

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374DBF	#FFFFFF	#000000	##FFFFFF
##374DBF	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC3

Deuteranopia (green-blind)

#0052BD

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374dbf;
/* rgb */ color: rgb(55, 77, 191);
/* oklch */ color: oklch(47.4% 0.180 269.8);

Tailwind

colors: {
  custom: {
    50: '#807ed3',
    500: '#374dbf',
    950: '#000000',
  },
}

SCSS

$custom: #374dbf;
$custom-light: #807ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#374dbf",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 191
  },
  "hsl": {
    "h": 230.294,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47413,
    "c": 0.1798,
    "h": 269.8
  },
  "luminance": 0.09882
}

Semantic roles & 50–950 ramp

primary

#374DBF

secondary

#CABF88

accent

#C649DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #374DBF

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

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