#3B74C5#3B74C5

#3B74C5 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.1% C 0.140 H 257.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3B74C5
RGB	rgb(59, 116, 197)
HSL	hsl(215, 54%, 50%)
HSV	hsv(215, 70%, 77%)
CMYK	cmyk(70.1%, 41.1%, 0%, 22.7%)
CIE-LAB	lab(48.82, 8.38, -47.74)
CIE-LCH	lch(48.82, 48.47, 279.96°)
OKLab	oklab(56.11% -0.0301 -0.1362)
OKLCH	oklch(56.11% 0.14 257.5)
XYZ	xyz(18.1234, 17.4499, 55.2255)
Luminance	0.1745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B74C5 #C58C3B

analogous

#3BB9C5 #3B74C5 #473BC5

triadic

#3B74C5 #C53B74 #74C53B

tetradic

#3B74C5 #C53BB9 #C58C3B #3BC547

square

#3B74C5 #C53BB9 #C58C3B #3BC547

split-complementary

#3B74C5 #C5473B #B9C53B

monochromatic

#1F3C67 #2C5896 #3B74C5 #6A95D3 #99B7E1

Accessibility & contrast

On white

4.68

#3B74C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#3B74C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B74C5

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B74C5	#FFFFFF	#000000	##FFFFFF
##3B74C5	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7BC8

Deuteranopia (green-blind)

#386EC3

Tritanopia (blue-blind)

#008793

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3b74c5;
/* rgb */ color: rgb(59, 116, 197);
/* oklch */ color: oklch(56.1% 0.140 257.5);

Tailwind

colors: {
  custom: {
    50: '#819bd7',
    500: '#3b74c5',
    950: '#000000',
  },
}

SCSS

$custom: #3b74c5;
$custom-light: #819bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b74c5",
  "rgb": {
    "r": 59,
    "g": 116,
    "b": 197
  },
  "hsl": {
    "h": 215.217,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5611,
    "c": 0.13953,
    "h": 257.5
  },
  "luminance": 0.17452
}

Semantic roles & 50–950 ramp

primary

#3B74C5

secondary

#CDB38F

accent

#A14ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3B74C5

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

Preview Lab → · Contrast checker → · Palette generator →