#3B76CB#3B76CB

#3B76CB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 56.9% C 0.145 H 257.8°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B76CB
RGB	rgb(59, 118, 203)
HSL	hsl(215, 58%, 51%)
HSV	hsv(215, 71%, 80%)
CMYK	cmyk(70.9%, 41.9%, 0%, 20.4%)
CIE-LAB	lab(49.73, 9.31, -49.72)
CIE-LCH	lch(49.73, 50.58, 280.61°)
OKLab	oklab(56.93% -0.0307 -0.142)
OKLCH	oklch(56.93% 0.145 257.8)
XYZ	xyz(19.0576, 18.1964, 58.9962)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B76CB #CB903B

analogous

#3BBECB #3B76CB #483BCB

triadic

#3B76CB #CB3B76 #76CB3B

tetradic

#3B76CB #CB3BBE #CB903B #3BCB48

square

#3B76CB #CB3BBE #CB903B #3BCB48

split-complementary

#3B76CB #CB483B #BECB3B

monochromatic

#1D3E6E #2A5A9F #3B76CB #6B98D8 #9CBAE5

Accessibility & contrast

On white

4.53

#3B76CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3B76CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B76CB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B76CB	#FFFFFF	#000000	##000000
##3B76CB	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7DCE

Deuteranopia (green-blind)

#3570C9

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3b76cb;
/* rgb */ color: rgb(59, 118, 203);
/* oklch */ color: oklch(56.9% 0.145 257.8);

Tailwind

colors: {
  custom: {
    50: '#829ddb',
    500: '#3b76cb',
    950: '#000000',
  },
}

SCSS

$custom: #3b76cb;
$custom-light: #829ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b76cb",
  "rgb": {
    "r": 59,
    "g": 118,
    "b": 203
  },
  "hsl": {
    "h": 215.417,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56928,
    "c": 0.1453,
    "h": 257.8
  },
  "luminance": 0.18198
}

Semantic roles & 50–950 ramp

primary

#3B76CB

secondary

#D1B791

accent

#A247E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B76CB

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

Preview Lab → · Contrast checker → · Palette generator →