#375CBD#375CBD

#375CBD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.158 H 265.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#375CBD
RGB	rgb(55, 92, 189)
HSL	hsl(223, 55%, 48%)
HSV	hsv(223, 71%, 74%)
CMYK	cmyk(70.9%, 51.3%, 0%, 25.9%)
CIE-LAB	lab(41.44, 20.11, -54.97)
CIE-LCH	lch(41.44, 58.54, 290.10°)
OKLab	oklab(50.23% -0.0129 -0.158)
OKLCH	oklch(50.23% 0.158 265.3)
XYZ	xyz(14.5848, 12.1391, 49.7087)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CBD #BD9837

analogous

#379FBD #375CBD #5537BD

triadic

#375CBD #BD375C #5CBD37

tetradic

#375CBD #BD379F #BD9837 #37BD55

square

#375CBD #BD379F #BD9837 #37BD55

split-complementary

#375CBD #BD5537 #9FBD37

monochromatic

#1B2E5E #29458E #375CBD #607FD1 #90A6DF

Accessibility & contrast

On white

6.13

#375CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#375CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CBD

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CBD	#FFFFFF	#000000	##FFFFFF
##375CBD	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2068C0

Deuteranopia (green-blind)

#005CBB

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375cbd;
/* rgb */ color: rgb(55, 92, 189);
/* oklch */ color: oklch(50.2% 0.158 265.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#375cbd",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 189
  },
  "hsl": {
    "h": 223.433,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50231,
    "c": 0.15849,
    "h": 265.3
  },
  "luminance": 0.12141
}

Semantic roles & 50–950 ramp

primary

#375CBD

secondary

#C9B786

accent

#B54ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375CBD

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

Preview Lab → · Contrast checker → · Palette generator →