#3B74CA#3B74CA

#3B74CA is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.4% C 0.146 H 258.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3B74CA
RGB	rgb(59, 116, 202)
HSL	hsl(216, 57%, 51%)
HSV	hsv(216, 71%, 79%)
CMYK	cmyk(70.8%, 42.6%, 0%, 20.8%)
CIE-LAB	lab(49.11, 10.19, -50.14)
CIE-LCH	lch(49.11, 51.17, 281.49°)
OKLab	oklab(56.43% -0.0291 -0.1433)
OKLCH	oklch(56.43% 0.146 258.5)
XYZ	xyz(18.7058, 17.6829, 58.2930)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B74CA #CA913B

analogous

#3BBBCA #3B74CA #493BCA

triadic

#3B74CA #CA3B74 #74CA3B

tetradic

#3B74CA #CA3BBB #CA913B #3BCA49

square

#3B74CA #CA3BBB #CA913B #3BCA49

split-complementary

#3B74CA #CA493B #BBCA3B

monochromatic

#1E3D6D #2B589D #3B74CA #6B96D7 #9BB8E4

Accessibility & contrast

On white

4.63

#3B74CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3B74CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B74CA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B74CA	#FFFFFF	#000000	##FFFFFF
##3B74CA	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7CCD

Deuteranopia (green-blind)

#326FC8

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b74ca;
/* rgb */ color: rgb(59, 116, 202);
/* oklch */ color: oklch(56.4% 0.146 258.5);

Tailwind

colors: {
  custom: {
    50: '#829bda',
    500: '#3b74ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b74ca;
$custom-light: #829bda;
$custom-dark: #000000;

JSON

{
  "hex": "#3b74ca",
  "rgb": {
    "r": 59,
    "g": 116,
    "b": 202
  },
  "hsl": {
    "h": 216.084,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56426,
    "c": 0.14622,
    "h": 258.5
  },
  "luminance": 0.17685
}

Semantic roles & 50–950 ramp

primary

#3B74CA

secondary

#D0B791

accent

#A347E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B74CA

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

Preview Lab → · Contrast checker → · Palette generator →