#3A74CA#3A74CA

#3A74CA is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.4% C 0.147 H 258.3°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3A74CA
RGB	rgb(58, 116, 202)
HSL	hsl(216, 58%, 51%)
HSV	hsv(216, 71%, 79%)
CMYK	cmyk(71.3%, 42.6%, 0%, 20.8%)
CIE-LAB	lab(49.07, 10.05, -50.20)
CIE-LCH	lch(49.07, 51.20, 281.32°)
OKLab	oklab(56.39% -0.0298 -0.1435)
OKLCH	oklch(56.39% 0.147 258.3)
XYZ	xyz(18.6471, 17.6526, 58.2902)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A74CA #CA903A

analogous

#3ABCCA #3A74CA #483ACA

triadic

#3A74CA #CA3A74 #74CA3A

tetradic

#3A74CA #CA3ABC #CA903A #3ACA48

square

#3A74CA #CA3ABC #CA903A #3ACA48

split-complementary

#3A74CA #CA483A #BCCA3A

monochromatic

#1D3D6C #2A589D #3A74CA #6A96D7 #9AB8E4

Accessibility & contrast

On white

4.63

#3A74CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3A74CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A74CA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A74CA	#FFFFFF	#000000	##FFFFFF
##3A74CA	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7CCD

Deuteranopia (green-blind)

#316EC8

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a74ca;
/* rgb */ color: rgb(58, 116, 202);
/* oklch */ color: oklch(56.4% 0.147 258.3);

Tailwind

colors: {
  custom: {
    50: '#819bda',
    500: '#3a74ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a74ca;
$custom-light: #819bda;
$custom-dark: #000000;

JSON

{
  "hex": "#3a74ca",
  "rgb": {
    "r": 58,
    "g": 116,
    "b": 202
  },
  "hsl": {
    "h": 215.833,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56387,
    "c": 0.14655,
    "h": 258.3
  },
  "luminance": 0.17655
}

Semantic roles & 50–950 ramp

primary

#3A74CA

secondary

#D0B690

accent

#A347E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A74CA

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

Preview Lab → · Contrast checker → · Palette generator →