#3A74CC#3A74CC

#3A74CC is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.5% C 0.149 H 258.6°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3A74CC
RGB	rgb(58, 116, 204)
HSL	hsl(216, 59%, 51%)
HSV	hsv(216, 72%, 80%)
CMYK	cmyk(71.6%, 43.1%, 0%, 20%)
CIE-LAB	lab(49.19, 10.78, -51.16)
CIE-LCH	lch(49.19, 52.28, 281.90°)
OKLab	oklab(56.52% -0.0294 -0.1463)
OKLCH	oklch(56.52% 0.149 258.6)
XYZ	xyz(18.8854, 17.7479, 59.5454)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A74CC #CC923A

analogous

#3ABDCC #3A74CC #493ACC

triadic

#3A74CC #CC3A74 #74CC3A

tetradic

#3A74CC #CC3ABD #CC923A #3ACC49

square

#3A74CC #CC3ABD #CC923A #3ACC49

split-complementary

#3A74CC #CC493A #BDCC3A

monochromatic

#1D3D6F #2958A0 #3A74CC #6B96D9 #9BB9E5

Accessibility & contrast

On white

4.62

#3A74CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3A74CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A74CC

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A74CC	#FFFFFF	#000000	##FFFFFF
##3A74CC	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497CCF

Deuteranopia (green-blind)

#2F6FCA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a74cc;
/* rgb */ color: rgb(58, 116, 204);
/* oklch */ color: oklch(56.5% 0.149 258.6);

Tailwind

colors: {
  custom: {
    50: '#829bdc',
    500: '#3a74cc',
    950: '#000000',
  },
}

SCSS

$custom: #3a74cc;
$custom-light: #829bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a74cc",
  "rgb": {
    "r": 58,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 216.164,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.56515,
    "c": 0.14922,
    "h": 258.6
  },
  "luminance": 0.1775
}

Semantic roles & 50–950 ramp

primary

#3A74CC

secondary

#D1B891

accent

#A446E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A74CC

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

Preview Lab → · Contrast checker → · Palette generator →