#375DCC#375DCC

#375DCC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.178 H 266.0°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#375DCC
RGB	rgb(55, 93, 204)
HSL	hsl(225, 59%, 51%)
HSV	hsv(225, 73%, 80%)
CMYK	cmyk(73%, 54.4%, 0%, 20%)
CIE-LAB	lab(42.76, 24.99, -61.52)
CIE-LCH	lch(42.76, 66.40, 292.11°)
OKLab	oklab(51.57% -0.0123 -0.1772)
OKLCH	oklch(51.57% 0.178 266)
XYZ	xyz(16.3852, 12.9988, 58.7605)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DCC #CCA637

analogous

#37A7CC #375DCC #5B37CC

triadic

#375DCC #CC375D #5DCC37

tetradic

#375DCC #CC37A7 #CCA637 #37CC5B

square

#375DCC #CC37A7 #CCA637 #37CC5B

split-complementary

#375DCC #CC5B37 #A7CC37

monochromatic

#1C306D #28469E #375DCC #6884D8 #99ACE5

Accessibility & contrast

On white

5.83

#375DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#375DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DCC

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DCC	#FFFFFF	#000000	##FFFFFF
##375DCC	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#005ECA

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375dcc;
/* rgb */ color: rgb(55, 93, 204);
/* oklch */ color: oklch(51.6% 0.178 266.0);

Tailwind

colors: {
  custom: {
    50: '#828adc',
    500: '#375dcc',
    950: '#000000',
  },
}

SCSS

$custom: #375dcc;
$custom-light: #828adc;
$custom-dark: #000000;

JSON

{
  "hex": "#375dcc",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 204
  },
  "hsl": {
    "h": 224.698,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51569,
    "c": 0.17765,
    "h": 266
  },
  "luminance": 0.13001
}

Semantic roles & 50–950 ramp

primary

#375DCC

secondary

#D0C08E

accent

#BA45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375DCC

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

Preview Lab → · Contrast checker → · Palette generator →