#375CBF#375CBF

#375CBF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.161 H 265.5°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#375CBF
RGB	rgb(55, 92, 191)
HSL	hsl(224, 55%, 48%)
HSV	hsv(224, 71%, 75%)
CMYK	cmyk(71.2%, 51.8%, 0%, 25.1%)
CIE-LAB	lab(41.57, 20.85, -55.91)
CIE-LCH	lch(41.57, 59.68, 290.45°)
OKLab	oklab(50.38% -0.0126 -0.1607)
OKLCH	oklch(50.38% 0.161 265.5)
XYZ	xyz(14.8034, 12.2266, 50.8599)
Luminance	0.1223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CBF #BF9A37

analogous

#37A0BF #375CBF #5637BF

triadic

#375CBF #BF375C #5CBF37

tetradic

#375CBF #BF37A0 #BF9A37 #37BF56

square

#375CBF #BF37A0 #BF9A37 #37BF56

split-complementary

#375CBF #BF5637 #A0BF37

monochromatic

#1C2E60 #29458F #375CBF #6280D2 #91A6DF

Accessibility & contrast

On white

6.09

#375CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#375CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CBF

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CBF	#FFFFFF	#000000	##FFFFFF
##375CBF	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C69C3

Deuteranopia (green-blind)

#005CBD

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375cbf;
/* rgb */ color: rgb(55, 92, 191);
/* oklch */ color: oklch(50.4% 0.161 265.5);

Tailwind

colors: {
  custom: {
    50: '#7f89d3',
    500: '#375cbf',
    950: '#000000',
  },
}

SCSS

$custom: #375cbf;
$custom-light: #7f89d3;
$custom-dark: #000000;

JSON

{
  "hex": "#375cbf",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 191
  },
  "hsl": {
    "h": 223.676,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50379,
    "c": 0.16125,
    "h": 265.5
  },
  "luminance": 0.12228
}

Semantic roles & 50–950 ramp

primary

#375CBF

secondary

#CAB888

accent

#B649DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #375CBF

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

Preview Lab → · Contrast checker → · Palette generator →