#3671E2#3671E2

#3671E2 is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.2% C 0.183 H 261.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3671E2
RGB	rgb(54, 113, 226)
HSL	hsl(219, 75%, 55%)
HSV	hsv(219, 76%, 89%)
CMYK	cmyk(76.1%, 50%, 0%, 11.4%)
CIE-LAB	lab(49.60, 20.24, -62.99)
CIE-LCH	lch(49.60, 66.16, 287.81°)
OKLab	oklab(57.23% -0.0262 -0.1812)
OKLCH	oklch(57.23% 0.183 261.8)
XYZ	xyz(21.1490, 18.0831, 74.3125)
Luminance	0.1809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671E2 #E2A736

analogous

#36C7E2 #3671E2 #5136E2

triadic

#3671E2 #E23671 #71E236

tetradic

#3671E2 #E236C7 #E2A736 #36E251

square

#3671E2 #E236C7 #E2A736 #36E251

split-complementary

#3671E2 #E25136 #C7E236

monochromatic

#143C8A #1C54BF #3671E2 #6B97EA #A1BDF1

Accessibility & contrast

On white

4.55

#3671E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3671E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3671E2

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671E2	#FFFFFF	#000000	##000000
##3671E2	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A7EE6

Deuteranopia (green-blind)

#006FE0

Tritanopia (blue-blind)

#008C9F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3671e2;
/* rgb */ color: rgb(54, 113, 226);
/* oklch */ color: oklch(57.2% 0.183 261.8);

Tailwind

colors: {
  custom: {
    50: '#8599ec',
    500: '#3671e2',
    950: '#000000',
  },
}

SCSS

$custom: #3671e2;
$custom-light: #8599ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3671e2",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 226
  },
  "hsl": {
    "h": 219.419,
    "s": 74.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57231,
    "c": 0.18311,
    "h": 261.8
  },
  "luminance": 0.18086
}

Semantic roles & 50–950 ramp

primary

#3671E2

secondary

#DEC596

accent

#B136F1

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3671E2

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

Preview Lab → · Contrast checker → · Palette generator →