#3A74CD#3A74CD

#3A74CD is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.151 H 258.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3A74CD
RGB	rgb(58, 116, 205)
HSL	hsl(216, 60%, 52%)
HSV	hsv(216, 72%, 80%)
CMYK	cmyk(71.7%, 43.4%, 0%, 19.6%)
CIE-LAB	lab(49.25, 11.14, -51.64)
CIE-LCH	lch(49.25, 52.82, 282.18°)
OKLab	oklab(56.58% -0.0292 -0.1477)
OKLCH	oklch(56.58% 0.151 258.8)
XYZ	xyz(19.0058, 17.7960, 60.1791)
Luminance	0.1780 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A74CD #CD933A

analogous

#3ABDCD #3A74CD #4A3ACD

triadic

#3A74CD #CD3A74 #74CD3A

tetradic

#3A74CD #CD3ABD #CD933A #3ACD4A

square

#3A74CD #CD3ABD #CD933A #3ACD4A

split-complementary

#3A74CD #CD4A3A #BDCD3A

monochromatic

#1C3D70 #2958A1 #3A74CD #6B96D9 #9CB9E6

Accessibility & contrast

On white

4.61

#3A74CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3A74CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A74CD

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A74CD	#FFFFFF	#000000	##FFFFFF
##3A74CD	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487CD0

Deuteranopia (green-blind)

#2D6FCB

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a74cd;
/* rgb */ color: rgb(58, 116, 205);
/* oklch */ color: oklch(56.6% 0.151 258.8);

Tailwind

colors: {
  custom: {
    50: '#829bdd',
    500: '#3a74cd',
    950: '#000000',
  },
}

SCSS

$custom: #3a74cd;
$custom-light: #829bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a74cd",
  "rgb": {
    "r": 58,
    "g": 116,
    "b": 205
  },
  "hsl": {
    "h": 216.327,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5658,
    "c": 0.15056,
    "h": 258.8
  },
  "luminance": 0.17798
}

Semantic roles & 50–950 ramp

primary

#3A74CD

secondary

#D2B891

accent

#A545E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A74CD

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

Preview Lab → · Contrast checker → · Palette generator →