#3B79DE#3B79DE

#3B79DE is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.8% C 0.167 H 259.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B79DE
RGB	rgb(59, 121, 222)
HSL	hsl(217, 71%, 55%)
HSV	hsv(217, 73%, 87%)
CMYK	cmyk(73.4%, 45.5%, 0%, 12.9%)
CIE-LAB	lab(51.70, 14.36, -57.35)
CIE-LCH	lch(51.70, 59.12, 284.06°)
OKLab	oklab(58.81% -0.0298 -0.1644)
OKLCH	oklch(58.81% 0.167 259.7)
XYZ	xyz(21.8210, 19.8761, 71.7795)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B79DE #DEA03B

analogous

#3BCADE #3B79DE #4F3BDE

triadic

#3B79DE #DE3B79 #79DE3B

tetradic

#3B79DE #DE3BCA #DEA03B #3BDE4F

square

#3B79DE #DE3BCA #DEA03B #3BDE4F

split-complementary

#3B79DE #DE4F3B #CADE3B

monochromatic

#174288 #205BBC #3B79DE #6F9DE7 #A4C1F0

Accessibility & contrast

On white

4.22

#3B79DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3B79DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B79DE

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B79DE	#FFFFFF	#000000	##000000
##3B79DE	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4483E2

Deuteranopia (green-blind)

#2074DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3b79de;
/* rgb */ color: rgb(59, 121, 222);
/* oklch */ color: oklch(58.8% 0.167 259.7);

Tailwind

colors: {
  custom: {
    50: '#869fe9',
    500: '#3b79de',
    950: '#000000',
  },
}

SCSS

$custom: #3b79de;
$custom-light: #869fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b79de",
  "rgb": {
    "r": 59,
    "g": 121,
    "b": 222
  },
  "hsl": {
    "h": 217.178,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.58808,
    "c": 0.16708,
    "h": 259.7
  },
  "luminance": 0.19878
}

Semantic roles & 50–950 ramp

primary

#3B79DE

secondary

#DDC398

accent

#A93AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3B79DE

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

Preview Lab → · Contrast checker → · Palette generator →