#3869BB#3869BB

#3869BB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.9% C 0.140 H 260.1°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3869BB
RGB	rgb(56, 105, 187)
HSL	hsl(218, 54%, 48%)
HSV	hsv(218, 70%, 73%)
CMYK	cmyk(70.1%, 43.9%, 0%, 26.7%)
CIE-LAB	lab(44.98, 11.18, -48.10)
CIE-LCH	lch(44.98, 49.39, 283.09°)
OKLab	oklab(52.92% -0.024 -0.1375)
OKLCH	oklch(52.92% 0.14 260.1)
XYZ	xyz(15.6489, 14.5301, 48.9839)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3869BB #BB8A38

analogous

#38AABB #3869BB #4838BB

triadic

#3869BB #BB3869 #69BB38

tetradic

#3869BB #BB38AA #BB8A38 #38BB48

square

#3869BB #BB38AA #BB8A38 #38BB48

split-complementary

#3869BB #BB4838 #AABB38

monochromatic

#1C345D #2A4F8C #3869BB #618AD0 #90ADDE

Accessibility & contrast

On white

5.38

#3869BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3869BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3869BB

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3869BB	#FFFFFF	#000000	##FFFFFF
##3869BB	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4171BE

Deuteranopia (green-blind)

#2A65B9

Tritanopia (blue-blind)

#007C89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3869bb;
/* rgb */ color: rgb(56, 105, 187);
/* oklch */ color: oklch(52.9% 0.140 260.1);

Tailwind

colors: {
  custom: {
    50: '#7e93d0',
    500: '#3869bb',
    950: '#000000',
  },
}

SCSS

$custom: #3869bb;
$custom-light: #7e93d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3869bb",
  "rgb": {
    "r": 56,
    "g": 105,
    "b": 187
  },
  "hsl": {
    "h": 217.557,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52919,
    "c": 0.13963,
    "h": 260.1
  },
  "luminance": 0.14532
}

Semantic roles & 50–950 ramp

primary

#3869BB

secondary

#C8B086

accent

#A64BDD

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3869BB

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

Preview Lab → · Contrast checker → · Palette generator →