#3B74C8#3B74C8

#3B74C8 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.3% C 0.144 H 258.1°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B74C8
RGB	rgb(59, 116, 200)
HSL	hsl(216, 56%, 51%)
HSV	hsv(216, 71%, 78%)
CMYK	cmyk(70.5%, 42%, 0%, 21.6%)
CIE-LAB	lab(48.99, 9.47, -49.18)
CIE-LCH	lch(48.99, 50.08, 280.90°)
OKLab	oklab(56.3% -0.0295 -0.1405)
OKLCH	oklch(56.3% 0.144 258.1)
XYZ	xyz(18.4706, 17.5888, 57.0539)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B74C8 #C88F3B

analogous

#3BBAC8 #3B74C8 #483BC8

triadic

#3B74C8 #C83B74 #74C83B

tetradic

#3B74C8 #C83BBA #C88F3B #3BC848

square

#3B74C8 #C83BBA #C88F3B #3BC848

split-complementary

#3B74C8 #C8483B #BAC83B

monochromatic

#1E3D6B #2B589A #3B74C8 #6B96D5 #9BB8E3

Accessibility & contrast

On white

4.65

#3B74C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3B74C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B74C8

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B74C8	#FFFFFF	#000000	##FFFFFF
##3B74C8	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7BCB

Deuteranopia (green-blind)

#346EC6

Tritanopia (blue-blind)

#008894

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3b74c8;
/* rgb */ color: rgb(59, 116, 200);
/* oklch */ color: oklch(56.3% 0.144 258.1);

Tailwind

colors: {
  custom: {
    50: '#819bd9',
    500: '#3b74c8',
    950: '#000000',
  },
}

SCSS

$custom: #3b74c8;
$custom-light: #819bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b74c8",
  "rgb": {
    "r": 59,
    "g": 116,
    "b": 200
  },
  "hsl": {
    "h": 215.745,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56299,
    "c": 0.14354,
    "h": 258.1
  },
  "luminance": 0.17591
}

Semantic roles & 50–950 ramp

primary

#3B74C8

secondary

#CFB590

accent

#A248DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3B74C8

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

Preview Lab → · Contrast checker → · Palette generator →