#375BCA#375BCA

#375BCA is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.177 H 266.5°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#375BCA
RGB	rgb(55, 91, 202)
HSL	hsl(225, 58%, 50%)
HSV	hsv(225, 73%, 79%)
CMYK	cmyk(72.8%, 55%, 0%, 20.8%)
CIE-LAB	lab(42.09, 25.55, -61.46)
CIE-LCH	lch(42.09, 66.56, 292.57°)
OKLab	oklab(51.02% -0.0109 -0.1771)
OKLCH	oklch(51.02% 0.177 266.5)
XYZ	xyz(15.9736, 12.5570, 57.4476)
Luminance	0.1256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BCA #CAA637

analogous

#37A5CA #375BCA #5C37CA

triadic

#375BCA #CA375B #5BCA37

tetradic

#375BCA #CA37A5 #CAA637 #37CA5C

square

#375BCA #CA37A5 #CAA637 #37CA5C

split-complementary

#375BCA #CA5C37 #A5CA37

monochromatic

#1C2F6A #29459B #375BCA #6783D7 #98AAE4

Accessibility & contrast

On white

5.98

#375BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#375BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BCA

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BCA	#FFFFFF	#000000	##FFFFFF
##375BCA	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACE

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #375bca;
/* rgb */ color: rgb(55, 91, 202);
/* oklch */ color: oklch(51.0% 0.177 266.5);

Tailwind

colors: {
  custom: {
    50: '#8188db',
    500: '#375bca',
    950: '#000000',
  },
}

SCSS

$custom: #375bca;
$custom-light: #8188db;
$custom-dark: #000000;

JSON

{
  "hex": "#375bca",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 202
  },
  "hsl": {
    "h": 225.306,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51015,
    "c": 0.17741,
    "h": 266.5
  },
  "luminance": 0.12559
}

Semantic roles & 50–950 ramp

primary

#375BCA

secondary

#CFBF8E

accent

#BB46E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375BCA

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

Preview Lab → · Contrast checker → · Palette generator →