#375ACF#375ACF

#375ACF is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.185 H 266.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#375ACF
RGB	rgb(55, 90, 207)
HSL	hsl(226, 61%, 51%)
HSV	hsv(226, 73%, 81%)
CMYK	cmyk(73.4%, 56.5%, 0%, 18.8%)
CIE-LAB	lab(42.20, 28.02, -64.16)
CIE-LCH	lch(42.20, 70.01, 293.59°)
OKLab	oklab(51.21% -0.0099 -0.185)
OKLCH	oklch(51.21% 0.185 266.9)
XYZ	xyz(16.4903, 12.6278, 60.5877)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375ACF #CFAC37

analogous

#37A6CF #375ACF #6037CF

triadic

#375ACF #CF375A #5ACF37

tetradic

#375ACF #CF37A6 #CFAC37 #37CF60

square

#375ACF #CF37A6 #CFAC37 #37CF60

split-complementary

#375ACF #CF6037 #A6CF37

monochromatic

#1B2F71 #2743A2 #375ACF #6883DB #9AABE7

Accessibility & contrast

On white

5.96

#375ACF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#375ACF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375ACF

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375ACF	#FFFFFF	#000000	##FFFFFF
##375ACF	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#005DCD

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375acf;
/* rgb */ color: rgb(55, 90, 207);
/* oklch */ color: oklch(51.2% 0.185 266.9);

Tailwind

colors: {
  custom: {
    50: '#8288df',
    500: '#375acf',
    950: '#000000',
  },
}

SCSS

$custom: #375acf;
$custom-light: #8288df;
$custom-dark: #000000;

JSON

{
  "hex": "#375acf",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 207
  },
  "hsl": {
    "h": 226.184,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.51214,
    "c": 0.18531,
    "h": 266.9
  },
  "luminance": 0.1263
}

Semantic roles & 50–950 ramp

primary

#375ACF

secondary

#D2C38F

accent

#BF43E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375ACF

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

Preview Lab → · Contrast checker → · Palette generator →