#3B74CE#3B74CE

#3B74CE is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.152 H 259.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3B74CE
RGB	rgb(59, 116, 206)
HSL	hsl(217, 60%, 52%)
HSV	hsv(217, 71%, 81%)
CMYK	cmyk(71.4%, 43.7%, 0%, 19.2%)
CIE-LAB	lab(49.34, 11.65, -52.05)
CIE-LCH	lch(49.34, 53.34, 282.61°)
OKLab	oklab(56.68% -0.0283 -0.1489)
OKLCH	oklch(56.68% 0.152 259.2)
XYZ	xyz(19.1856, 17.8748, 60.8196)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B74CE #CE953B

analogous

#3BBDCE #3B74CE #4C3BCE

triadic

#3B74CE #CE3B74 #74CE3B

tetradic

#3B74CE #CE3BBD #CE953B #3BCE4C

square

#3B74CE #CE3BBD #CE953B #3BCE4C

split-complementary

#3B74CE #CE4C3B #BDCE3B

monochromatic

#1D3E72 #2958A3 #3B74CE #6C97DA #9DB9E6

Accessibility & contrast

On white

4.59

#3B74CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3B74CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B74CE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B74CE	#FFFFFF	#000000	##FFFFFF
##3B74CE	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487DD1

Deuteranopia (green-blind)

#2C6FCC

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b74ce;
/* rgb */ color: rgb(59, 116, 206);
/* oklch */ color: oklch(56.7% 0.152 259.2);

Tailwind

colors: {
  custom: {
    50: '#839bdd',
    500: '#3b74ce',
    950: '#000000',
  },
}

SCSS

$custom: #3b74ce;
$custom-light: #839bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b74ce",
  "rgb": {
    "r": 59,
    "g": 116,
    "b": 206
  },
  "hsl": {
    "h": 216.735,
    "s": 60,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56683,
    "c": 0.15158,
    "h": 259.2
  },
  "luminance": 0.17877
}

Semantic roles & 50–950 ramp

primary

#3B74CE

secondary

#D3BA92

accent

#A645E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B74CE

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

Preview Lab → · Contrast checker → · Palette generator →