#3874CF#3874CF

#3874CF is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.154 H 258.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3874CF
RGB	rgb(56, 116, 207)
HSL	hsl(216, 61%, 52%)
HSV	hsv(216, 73%, 81%)
CMYK	cmyk(72.9%, 44%, 0%, 18.8%)
CIE-LAB	lab(49.29, 11.60, -52.70)
CIE-LCH	lch(49.29, 53.97, 282.41°)
OKLab	oklab(56.63% -0.0302 -0.1509)
OKLCH	oklch(56.63% 0.154 258.7)
XYZ	xyz(19.1347, 17.8344, 61.4533)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3874CF #CF9338

analogous

#38C0CF #3874CF #4838CF

triadic

#3874CF #CF3874 #74CF38

tetradic

#3874CF #CF38C0 #CF9338 #38CF48

square

#3874CF #CF38C0 #CF9338 #38CF48

split-complementary

#3874CF #CF4838 #C0CF38

monochromatic

#1B3D71 #2758A3 #3874CF #6996DB #9BB9E7

Accessibility & contrast

On white

4.60

#3874CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3874CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3874CF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3874CF	#FFFFFF	#000000	##FFFFFF
##3874CF	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467DD2

Deuteranopia (green-blind)

#296FCD

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3874cf;
/* rgb */ color: rgb(56, 116, 207);
/* oklch */ color: oklch(56.6% 0.154 258.7);

Tailwind

colors: {
  custom: {
    50: '#829bde',
    500: '#3874cf',
    950: '#000000',
  },
}

SCSS

$custom: #3874cf;
$custom-light: #829bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3874cf",
  "rgb": {
    "r": 56,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 216.159,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56634,
    "c": 0.15388,
    "h": 258.7
  },
  "luminance": 0.17837
}

Semantic roles & 50–950 ramp

primary

#3874CF

secondary

#D3B890

accent

#A444E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3874CF

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

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