#3A74CF#3A74CF

#3A74CF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.153 H 259.2°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A74CF
RGB	rgb(58, 116, 207)
HSL	hsl(217, 61%, 52%)
HSV	hsv(217, 72%, 81%)
CMYK	cmyk(72%, 44%, 0%, 18.8%)
CIE-LAB	lab(49.37, 11.87, -52.59)
CIE-LCH	lch(49.37, 53.91, 282.72°)
OKLab	oklab(56.71% -0.0288 -0.1505)
OKLCH	oklch(56.71% 0.153 259.2)
XYZ	xyz(19.2487, 17.8932, 61.4587)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A74CF #CF953A

analogous

#3ABFCF #3A74CF #4B3ACF

triadic

#3A74CF #CF3A74 #74CF3A

tetradic

#3A74CF #CF3ABF #CF953A #3ACF4B

square

#3A74CF #CF3ABF #CF953A #3ACF4B

split-complementary

#3A74CF #CF4B3A #BFCF3A

monochromatic

#1C3E73 #2858A4 #3A74CF #6B97DB #9CB9E7

Accessibility & contrast

On white

4.59

#3A74CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3A74CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A74CF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A74CF	#FFFFFF	#000000	##FFFFFF
##3A74CF	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)

#477DD2

Deuteranopia (green-blind)

#2A6FCD

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a74cf;
/* rgb */ color: rgb(58, 116, 207);
/* oklch */ color: oklch(56.7% 0.153 259.2);

Tailwind

colors: {
  custom: {
    50: '#829bde',
    500: '#3a74cf',
    950: '#000000',
  },
}

SCSS

$custom: #3a74cf;
$custom-light: #829bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3a74cf",
  "rgb": {
    "r": 58,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 216.644,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5671,
    "c": 0.15324,
    "h": 259.2
  },
  "luminance": 0.17895
}

Semantic roles & 50–950 ramp

primary

#3A74CF

secondary

#D3BA92

accent

#A644E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A74CF

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

Preview Lab → · Contrast checker → · Palette generator →