#3851BD#3851BD

#3851BD is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.1% C 0.172 H 269.1°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3851BD
RGB	rgb(56, 81, 189)
HSL	hsl(229, 54%, 48%)
HSV	hsv(229, 70%, 74%)
CMYK	cmyk(70.4%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(38.55, 27.39, -59.65)
CIE-LCH	lch(38.55, 65.64, 294.66°)
OKLab	oklab(48.07% -0.0028 -0.1719)
OKLCH	oklch(48.07% 0.172 269.1)
XYZ	xyz(13.7555, 10.3984, 49.4164)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3851BD #BDA438

analogous

#3893BD #3851BD #6138BD

triadic

#3851BD #BD3851 #51BD38

tetradic

#3851BD #BD3893 #BDA438 #38BD61

square

#3851BD #BD3893 #BDA438 #38BD61

split-complementary

#3851BD #BD6138 #93BD38

monochromatic

#1C295F #2A3D8E #3851BD #6277D0 #91A0DE

Accessibility & contrast

On white

6.82

#3851BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3851BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3851BD

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3851BD	#FFFFFF	#000000	##FFFFFF
##3851BD	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C1

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3851bd;
/* rgb */ color: rgb(56, 81, 189);
/* oklch */ color: oklch(48.1% 0.172 269.1);

Tailwind

colors: {
  custom: {
    50: '#7f81d2',
    500: '#3851bd',
    950: '#000000',
  },
}

SCSS

$custom: #3851bd;
$custom-light: #7f81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3851bd",
  "rgb": {
    "r": 56,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 228.722,
    "s": 54.286,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48065,
    "c": 0.1719,
    "h": 269.1
  },
  "luminance": 0.104
}

Semantic roles & 50–950 ramp

primary

#3851BD

secondary

#C9BD87

accent

#C24ADE

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3851BD

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

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