#375BCD#375BCD

#375BCD is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.3% C 0.181 H 266.6°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#375BCD
RGB	rgb(55, 91, 205)
HSL	hsl(226, 60%, 51%)
HSV	hsv(226, 73%, 80%)
CMYK	cmyk(73.2%, 55.6%, 0%, 19.6%)
CIE-LAB	lab(42.31, 26.65, -62.83)
CIE-LCH	lch(42.31, 68.25, 292.98°)
OKLab	oklab(51.25% -0.0108 -0.1811)
OKLCH	oklch(51.25% 0.181 266.6)
XYZ	xyz(16.3322, 12.7004, 59.3365)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BCD #CDA937

analogous

#37A6CD #375BCD #5E37CD

triadic

#375BCD #CD375B #5BCD37

tetradic

#375BCD #CD37A6 #CDA937 #37CD5E

square

#375BCD #CD37A6 #CDA937 #37CD5E

split-complementary

#375BCD #CD5E37 #A6CD37

monochromatic

#1C2F6E #28449F #375BCD #6883D9 #99ABE5

Accessibility & contrast

On white

5.93

#375BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#375BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BCD

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BCD	#FFFFFF	#000000	##FFFFFF
##375BCD	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD1

Deuteranopia (green-blind)

#005DCB

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375bcd;
/* rgb */ color: rgb(55, 91, 205);
/* oklch */ color: oklch(51.3% 0.181 266.6);

Tailwind

colors: {
  custom: {
    50: '#8288dd',
    500: '#375bcd',
    950: '#000000',
  },
}

SCSS

$custom: #375bcd;
$custom-light: #8288dd;
$custom-dark: #000000;

JSON

{
  "hex": "#375bcd",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 205
  },
  "hsl": {
    "h": 225.6,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51251,
    "c": 0.18143,
    "h": 266.6
  },
  "luminance": 0.12702
}

Semantic roles & 50–950 ramp

primary

#375BCD

secondary

#D1C18F

accent

#BD45E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375BCD

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

Preview Lab → · Contrast checker → · Palette generator →