#375CCF#375CCF

#375CCF is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.183 H 266.4°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#375CCF
RGB	rgb(55, 92, 207)
HSL	hsl(225, 61%, 51%)
HSV	hsv(225, 73%, 81%)
CMYK	cmyk(73.4%, 55.6%, 0%, 18.8%)
CIE-LAB	lab(42.72, 26.74, -63.32)
CIE-LCH	lch(42.72, 68.73, 292.89°)
OKLab	oklab(51.61% -0.0114 -0.1825)
OKLCH	oklch(51.61% 0.183 266.4)
XYZ	xyz(16.6612, 12.9697, 60.6447)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CCF #CFAA37

analogous

#37A8CF #375CCF #5E37CF

triadic

#375CCF #CF375C #5CCF37

tetradic

#375CCF #CF37A8 #CFAA37 #37CF5E

square

#375CCF #CF37A8 #CFAA37 #37CF5E

split-complementary

#375CCF #CF5E37 #A8CF37

monochromatic

#1B3071 #2745A2 #375CCF #6884DB #9AACE7

Accessibility & contrast

On white

5.84

#375CCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#375CCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CCF

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CCF	#FFFFFF	#000000	##FFFFFF
##375CCF	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375ccf;
/* rgb */ color: rgb(55, 92, 207);
/* oklch */ color: oklch(51.6% 0.183 266.4);

Tailwind

colors: {
  custom: {
    50: '#8289de',
    500: '#375ccf',
    950: '#000000',
  },
}

SCSS

$custom: #375ccf;
$custom-light: #8289de;
$custom-dark: #000000;

JSON

{
  "hex": "#375ccf",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 207
  },
  "hsl": {
    "h": 225.395,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.51605,
    "c": 0.18288,
    "h": 266.4
  },
  "luminance": 0.12972
}

Semantic roles & 50–950 ramp

primary

#375CCF

secondary

#D2C28F

accent

#BD43E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375CCF

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

Preview Lab → · Contrast checker → · Palette generator →