#3B7BDE#3B7BDE

#3B7BDE is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.2% C 0.165 H 259.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BDE
RGB	rgb(59, 123, 222)
HSL	hsl(216, 71%, 55%)
HSV	hsv(216, 73%, 87%)
CMYK	cmyk(73.4%, 44.6%, 0%, 12.9%)
CIE-LAB	lab(52.25, 13.12, -56.46)
CIE-LCH	lch(52.25, 57.96, 283.09°)
OKLab	oklab(59.23% -0.0315 -0.1617)
OKLCH	oklch(59.23% 0.165 259)
XYZ	xyz(22.0666, 20.3672, 71.8614)
Luminance	0.2037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BDE #DE9E3B

analogous

#3BCCDE #3B7BDE #4D3BDE

triadic

#3B7BDE #DE3B7B #7BDE3B

tetradic

#3B7BDE #DE3BCC #DE9E3B #3BDE4D

square

#3B7BDE #DE3BCC #DE9E3B #3BDE4D

split-complementary

#3B7BDE #DE4D3B #CCDE3B

monochromatic

#174388 #205DBC #3B7BDE #6F9EE7 #A4C2F0

Accessibility & contrast

On white

4.14

#3B7BDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#3B7BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BDE

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BDE	#FFFFFF	#000000	##000000
##3B7BDE	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4885E2

Deuteranopia (green-blind)

#2776DC

Tritanopia (blue-blind)

#0092A2

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3b7bde;
/* rgb */ color: rgb(59, 123, 222);
/* oklch */ color: oklch(59.2% 0.165 259.0);

Tailwind

colors: {
  custom: {
    50: '#86a0e9',
    500: '#3b7bde',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bde;
$custom-light: #86a0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bde",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 222
  },
  "hsl": {
    "h": 216.442,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59234,
    "c": 0.16479,
    "h": 259
  },
  "luminance": 0.2037
}

Semantic roles & 50–950 ramp

primary

#3B7BDE

secondary

#DDC298

accent

#A73AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #3B7BDE

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

Preview Lab → · Contrast checker → · Palette generator →