#375DBC#375DBC

#375DBC is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.4% C 0.156 H 264.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#375DBC
RGB	rgb(55, 93, 188)
HSL	hsl(223, 55%, 48%)
HSV	hsv(223, 71%, 74%)
CMYK	cmyk(70.7%, 50.5%, 0%, 26.3%)
CIE-LAB	lab(41.64, 19.10, -54.06)
CIE-LCH	lch(41.64, 57.33, 289.46°)
OKLab	oklab(50.37% -0.0138 -0.1553)
OKLCH	oklch(50.37% 0.156 264.9)
XYZ	xyz(14.5638, 12.2703, 49.1681)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DBC #BC9637

analogous

#37A0BC #375DBC #5337BC

triadic

#375DBC #BC375D #5DBC37

tetradic

#375DBC #BC37A0 #BC9637 #37BC53

square

#375DBC #BC37A0 #BC9637 #37BC53

split-complementary

#375DBC #BC5337 #A0BC37

monochromatic

#1B2E5D #29468D #375DBC #6080D0 #8FA6DE

Accessibility & contrast

On white

6.08

#375DBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#375DBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DBC

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DBC	#FFFFFF	#000000	##FFFFFF
##375DBC	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2469BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375dbc;
/* rgb */ color: rgb(55, 93, 188);
/* oklch */ color: oklch(50.4% 0.156 264.9);

Tailwind

colors: {
  custom: {
    50: '#7e8ad1',
    500: '#375dbc',
    950: '#000000',
  },
}

SCSS

$custom: #375dbc;
$custom-light: #7e8ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#375dbc",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 188
  },
  "hsl": {
    "h": 222.857,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50366,
    "c": 0.15587,
    "h": 264.9
  },
  "luminance": 0.12272
}

Semantic roles & 50–950 ramp

primary

#375DBC

secondary

#C9B686

accent

#B44ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375DBC

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

Preview Lab → · Contrast checker → · Palette generator →