#375CBC#375CBC

#375CBC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.157 H 265.3°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#375CBC
RGB	rgb(55, 92, 188)
HSL	hsl(223, 55%, 48%)
HSV	hsv(223, 71%, 74%)
CMYK	cmyk(70.7%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(41.37, 19.75, -54.50)
CIE-LCH	lch(41.37, 57.97, 289.92°)
OKLab	oklab(50.16% -0.013 -0.1566)
OKLCH	oklch(50.16% 0.157 265.3)
XYZ	xyz(14.4766, 12.0959, 49.1390)
Luminance	0.1210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CBC #BC9737

analogous

#379FBC #375CBC #5437BC

triadic

#375CBC #BC375C #5CBC37

tetradic

#375CBC #BC379F #BC9737 #37BC54

square

#375CBC #BC379F #BC9737 #37BC54

split-complementary

#375CBC #BC5437 #9FBC37

monochromatic

#1B2E5D #29458D #375CBC #607FD0 #8FA5DE

Accessibility & contrast

On white

6.14

#375CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#375CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CBC

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CBC	#FFFFFF	#000000	##FFFFFF
##375CBC	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2168BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375cbc;
/* rgb */ color: rgb(55, 92, 188);
/* oklch */ color: oklch(50.2% 0.157 265.3);

Tailwind

colors: {
  custom: {
    50: '#7e89d1',
    500: '#375cbc',
    950: '#000000',
  },
}

SCSS

$custom: #375cbc;
$custom-light: #7e89d1;
$custom-dark: #000000;

JSON

{
  "hex": "#375cbc",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 223.308,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50157,
    "c": 0.15712,
    "h": 265.3
  },
  "luminance": 0.12097
}

Semantic roles & 50–950 ramp

primary

#375CBC

secondary

#C9B686

accent

#B54ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375CBC

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

Preview Lab → · Contrast checker → · Palette generator →