#3875D9#3875D9

#3875D9 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.5% C 0.166 H 259.8°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3875D9
RGB	rgb(56, 117, 217)
HSL	hsl(217, 68%, 54%)
HSV	hsv(217, 74%, 85%)
CMYK	cmyk(74.2%, 46.1%, 0%, 14.9%)
CIE-LAB	lab(50.18, 14.65, -56.96)
CIE-LCH	lch(50.18, 58.82, 284.42°)
OKLab	oklab(57.51% -0.0293 -0.1634)
OKLCH	oklch(57.51% 0.166 259.8)
XYZ	xyz(20.5120, 18.5708, 68.1357)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3875D9 #D99C38

analogous

#38C5D9 #3875D9 #4B38D9

triadic

#3875D9 #D93875 #75D938

tetradic

#3875D9 #D938C5 #D99C38 #38D94B

square

#3875D9 #D938C5 #D99C38 #38D94B

split-complementary

#3875D9 #D94B38 #C5D938

monochromatic

#183F7E #2258B2 #3875D9 #6B99E3 #9FBCED

Accessibility & contrast

On white

4.45

#3875D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#3875D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3875D9

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3875D9	#FFFFFF	#000000	##000000
##3875D9	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#407FDD

Deuteranopia (green-blind)

#1971D7

Tritanopia (blue-blind)

#008D9C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3875d9;
/* rgb */ color: rgb(56, 117, 217);
/* oklch */ color: oklch(57.5% 0.166 259.8);

Tailwind

colors: {
  custom: {
    50: '#849ce5',
    500: '#3875d9',
    950: '#000000',
  },
}

SCSS

$custom: #3875d9;
$custom-light: #849ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#3875d9",
  "rgb": {
    "r": 56,
    "g": 117,
    "b": 217
  },
  "hsl": {
    "h": 217.267,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57514,
    "c": 0.16599,
    "h": 259.8
  },
  "luminance": 0.18573
}

Semantic roles & 50–950 ramp

primary

#3875D9

secondary

#D9BF94

accent

#A93DEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3875D9

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

Preview Lab → · Contrast checker → · Palette generator →