#3875CC#3875CC

#3875CC is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.149 H 257.7°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#3875CC
RGB	rgb(56, 117, 204)
HSL	hsl(215, 59%, 51%)
HSV	hsv(215, 73%, 80%)
CMYK	cmyk(72.5%, 42.6%, 0%, 20%)
CIE-LAB	lab(49.40, 9.88, -50.83)
CIE-LCH	lch(49.40, 51.78, 281.00°)
OKLab	oklab(56.66% -0.0317 -0.1453)
OKLCH	oklch(56.66% 0.149 257.7)
XYZ	xyz(18.8873, 17.9209, 59.5787)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3875CC #CC8F38

analogous

#38BFCC #3875CC #4538CC

triadic

#3875CC #CC3875 #75CC38

tetradic

#3875CC #CC38BF #CC8F38 #38CC45

square

#3875CC #CC38BF #CC8F38 #38CC45

split-complementary

#3875CC #CC4538 #BFCC38

monochromatic

#1C3E6E #29599E #3875CC #6997D8 #99B9E5

Accessibility & contrast

On white

4.58

#3875CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3875CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3875CC

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3875CC	#FFFFFF	#000000	##000000
##3875CC	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7DCF

Deuteranopia (green-blind)

#306FCA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3875cc;
/* rgb */ color: rgb(56, 117, 204);
/* oklch */ color: oklch(56.7% 0.149 257.7);

Tailwind

colors: {
  custom: {
    50: '#819cdc',
    500: '#3875cc',
    950: '#000000',
  },
}

SCSS

$custom: #3875cc;
$custom-light: #819cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3875cc",
  "rgb": {
    "r": 56,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 215.27,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56659,
    "c": 0.14876,
    "h": 257.7
  },
  "luminance": 0.17923
}

Semantic roles & 50–950 ramp

primary

#3875CC

secondary

#D1B68F

accent

#A245E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3875CC

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

Preview Lab → · Contrast checker → · Palette generator →