#3B7BD5#3B7BD5

#3B7BD5 is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.7% C 0.153 H 257.5°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B7BD5
RGB	rgb(59, 123, 213)
HSL	hsl(215, 65%, 53%)
HSV	hsv(215, 72%, 84%)
CMYK	cmyk(72.3%, 42.3%, 0%, 16.5%)
CIE-LAB	lab(51.72, 9.85, -52.22)
CIE-LCH	lch(51.72, 53.15, 280.68°)
OKLab	oklab(58.66% -0.0332 -0.1493)
OKLCH	oklch(58.66% 0.153 257.5)
XYZ	xyz(20.8924, 19.8975, 65.6774)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B7BD5 #D5953B

analogous

#3BC8D5 #3B7BD5 #483BD5

triadic

#3B7BD5 #D53B7B #7BD53B

tetradic

#3B7BD5 #D53BC8 #D5953B #3BD548

square

#3B7BD5 #D53BC8 #D5953B #3BD548

split-complementary

#3B7BD5 #D5483B #C8D53B

monochromatic

#1A437B #255EAE #3B7BD5 #6D9DE0 #A0BFEB

Accessibility & contrast

On white

4.22

#3B7BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#3B7BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B7BD5

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B7BD5	#FFFFFF	#000000	##000000
##3B7BD5	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)

#4F83D9

Deuteranopia (green-blind)

#3475D3

Tritanopia (blue-blind)

#00909D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3b7bd5;
/* rgb */ color: rgb(59, 123, 213);
/* oklch */ color: oklch(58.7% 0.153 257.5);

Tailwind

colors: {
  custom: {
    50: '#84a0e2',
    500: '#3b7bd5',
    950: '#000000',
  },
}

SCSS

$custom: #3b7bd5;
$custom-light: #84a0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b7bd5",
  "rgb": {
    "r": 59,
    "g": 123,
    "b": 213
  },
  "hsl": {
    "h": 215.065,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58655,
    "c": 0.15295,
    "h": 257.5
  },
  "luminance": 0.199
}

Semantic roles & 50–950 ramp

primary

#3B7BD5

secondary

#D7BB95

accent

#A240E8

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B7BD5

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

Preview Lab → · Contrast checker → · Palette generator →