#374EBF#374EBF

#374EBF is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.6% C 0.179 H 269.6°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#374EBF
RGB	rgb(55, 78, 191)
HSL	hsl(230, 55%, 48%)
HSV	hsv(230, 71%, 75%)
CMYK	cmyk(71.2%, 59.2%, 0%, 25.1%)
CIE-LAB	lab(37.88, 29.92, -61.91)
CIE-LCH	lch(37.88, 68.76, 295.79°)
OKLab	oklab(47.6% -0.0014 -0.1786)
OKLCH	oklch(47.6% 0.179 269.6)
XYZ	xyz(13.7007, 10.0212, 50.4924)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374EBF #BFA837

analogous

#3792BF #374EBF #6437BF

triadic

#374EBF #BF374E #4EBF37

tetradic

#374EBF #BF3792 #BFA837 #37BF64

square

#374EBF #BF3792 #BFA837 #37BF64

split-complementary

#374EBF #BF6437 #92BF37

monochromatic

#1C2760 #293B8F #374EBF #6275D2 #919EDF

Accessibility & contrast

On white

6.99

#374EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#374EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #374EBF

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374EBF	#FFFFFF	#000000	##FFFFFF
##374EBF	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C3

Deuteranopia (green-blind)

#0053BD

Tritanopia (blue-blind)

#006A7F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #374ebf;
/* rgb */ color: rgb(55, 78, 191);
/* oklch */ color: oklch(47.6% 0.179 269.6);

Tailwind

colors: {
  custom: {
    50: '#807fd3',
    500: '#374ebf',
    950: '#000000',
  },
}

SCSS

$custom: #374ebf;
$custom-light: #807fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#374ebf",
  "rgb": {
    "r": 55,
    "g": 78,
    "b": 191
  },
  "hsl": {
    "h": 229.853,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47602,
    "c": 0.17858,
    "h": 269.6
  },
  "luminance": 0.10023
}

Semantic roles & 50–950 ramp

primary

#374EBF

secondary

#CABF88

accent

#C549DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #374EBF

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

Preview Lab → · Contrast checker → · Palette generator →