#3875D7#3875D7

#3875D7 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.4% C 0.163 H 259.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3875D7
RGB	rgb(56, 117, 215)
HSL	hsl(217, 67%, 53%)
HSV	hsv(217, 74%, 84%)
CMYK	cmyk(74%, 45.6%, 0%, 15.7%)
CIE-LAB	lab(50.06, 13.91, -56.03)
CIE-LCH	lch(50.06, 57.73, 283.95°)
OKLab	oklab(57.38% -0.0297 -0.1606)
OKLCH	oklch(57.38% 0.163 259.5)
XYZ	xyz(20.2535, 18.4674, 66.7739)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3875D7 #D79A38

analogous

#38C4D7 #3875D7 #4A38D7

triadic

#3875D7 #D73875 #75D738

tetradic

#3875D7 #D738C4 #D79A38 #38D74A

square

#3875D7 #D738C4 #D79A38 #38D74A

split-complementary

#3875D7 #D74A38 #C4D738

monochromatic

#193F7C #2359AF #3875D7 #6B98E1 #9EBCEB

Accessibility & contrast

On white

4.47

#3875D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#3875D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3875D7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3875D7	#FFFFFF	#000000	##000000
##3875D7	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#427FDB

Deuteranopia (green-blind)

#1E70D5

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3875d7;
/* rgb */ color: rgb(56, 117, 215);
/* oklch */ color: oklch(57.4% 0.163 259.5);

Tailwind

colors: {
  custom: {
    50: '#839ce4',
    500: '#3875d7',
    950: '#000000',
  },
}

SCSS

$custom: #3875d7;
$custom-light: #839ce4;
$custom-dark: #000000;

JSON

{
  "hex": "#3875d7",
  "rgb": {
    "r": 56,
    "g": 117,
    "b": 215
  },
  "hsl": {
    "h": 216.981,
    "s": 66.527,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57379,
    "c": 0.16335,
    "h": 259.5
  },
  "luminance": 0.1847
}

Semantic roles & 50–950 ramp

primary

#3875D7

secondary

#D8BD93

accent

#A83EE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3875D7

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

Preview Lab → · Contrast checker → · Palette generator →