#375DBF#375DBF

#375DBF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.6% C 0.160 H 265.2°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#375DBF
RGB	rgb(55, 93, 191)
HSL	hsl(223, 55%, 48%)
HSV	hsv(223, 71%, 75%)
CMYK	cmyk(71.2%, 51.3%, 0%, 25.1%)
CIE-LAB	lab(41.85, 20.20, -55.47)
CIE-LCH	lch(41.85, 59.04, 290.01°)
OKLab	oklab(50.59% -0.0135 -0.1594)
OKLCH	oklch(50.59% 0.16 265.2)
XYZ	xyz(14.8906, 12.4010, 50.8890)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DBF #BF9937

analogous

#37A1BF #375DBF #5537BF

triadic

#375DBF #BF375D #5DBF37

tetradic

#375DBF #BF37A1 #BF9937 #37BF55

square

#375DBF #BF37A1 #BF9937 #37BF55

split-complementary

#375DBF #BF5537 #A1BF37

monochromatic

#1C2F60 #29468F #375DBF #6281D2 #91A7DF

Accessibility & contrast

On white

6.03

#375DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#375DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DBF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DBF	#FFFFFF	#000000	##FFFFFF
##375DBF	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2069C3

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #375dbf;
/* rgb */ color: rgb(55, 93, 191);
/* oklch */ color: oklch(50.6% 0.160 265.2);

Tailwind

colors: {
  custom: {
    50: '#7f8ad3',
    500: '#375dbf',
    950: '#000000',
  },
}

SCSS

$custom: #375dbf;
$custom-light: #7f8ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#375dbf",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 191
  },
  "hsl": {
    "h": 223.235,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50586,
    "c": 0.16001,
    "h": 265.2
  },
  "luminance": 0.12403
}

Semantic roles & 50–950 ramp

primary

#375DBF

secondary

#CAB888

accent

#B549DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #375DBF

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

Preview Lab → · Contrast checker → · Palette generator →