#3B7ADD#3B7ADD

#3B7ADD is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.0% C 0.165 H 259.2°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3B7ADD
RGB	rgb(59, 122, 221)
HSL	hsl(217, 70%, 55%)
HSV	hsv(217, 73%, 87%)
CMYK	cmyk(73.3%, 44.8%, 0%, 13.3%)
CIE-LAB	lab(51.91, 13.38, -56.44)
CIE-LCH	lch(51.91, 58.00, 283.34°)
OKLab	oklab(58.96% -0.0308 -0.1617)
OKLCH	oklch(58.96% 0.165 259.2)
XYZ	xyz(21.8096, 20.0669, 71.1165)
Luminance	0.2007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7ADD #DD9E3B

analogous

#3BCBDD #3B7ADD #4D3BDD

triadic

#3B7ADD #DD3B7A #7ADD3B

tetradic

#3B7ADD #DD3BCB #DD9E3B #3BDD4D

square

#3B7ADD #DD3BCB #DD9E3B #3BDD4D

split-complementary

#3B7ADD #DD4D3B #CBDD3B

monochromatic

#174286 #205CBA #3B7ADD #6F9DE6 #A3C1EF

Accessibility & contrast

On white

4.19

#3B7ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#3B7ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7ADD

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7ADD	#FFFFFF	#000000	##000000
##3B7ADD	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4784E1

Deuteranopia (green-blind)

#2575DB

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3b7add;
/* rgb */ color: rgb(59, 122, 221);
/* oklch */ color: oklch(59.0% 0.165 259.2);

Tailwind

colors: {
  custom: {
    50: '#859fe8',
    500: '#3b7add',
    950: '#000000',
  },
}

SCSS

$custom: #3b7add;
$custom-light: #859fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7add",
  "rgb": {
    "r": 59,
    "g": 122,
    "b": 221
  },
  "hsl": {
    "h": 216.667,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58955,
    "c": 0.16461,
    "h": 259.2
  },
  "luminance": 0.20069
}

Semantic roles & 50–950 ramp

primary

#3B7ADD

secondary

#DCC198

accent

#A83BED

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3B7ADD

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

Preview Lab → · Contrast checker → · Palette generator →