#3A74D0#3A74D0

#3A74D0 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.8% C 0.155 H 259.3°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A74D0
RGB	rgb(58, 116, 208)
HSL	hsl(217, 61%, 52%)
HSV	hsv(217, 72%, 82%)
CMYK	cmyk(72.1%, 44.2%, 0%, 18.4%)
CIE-LAB	lab(49.43, 12.24, -53.06)
CIE-LCH	lch(49.43, 54.45, 282.99°)
OKLab	oklab(56.78% -0.0286 -0.1519)
OKLCH	oklch(56.78% 0.155 259.3)
XYZ	xyz(19.3714, 17.9423, 62.1046)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A74D0 #D0963A

analogous

#3ABFD0 #3A74D0 #4B3AD0

triadic

#3A74D0 #D03A74 #74D03A

tetradic

#3A74D0 #D03ABF #D0963A #3AD04B

square

#3A74D0 #D03ABF #D0963A #3AD04B

split-complementary

#3A74D0 #D04B3A #BFD03A

monochromatic

#1C3E74 #2758A5 #3A74D0 #6B97DC #9DBAE8

Accessibility & contrast

On white

4.58

#3A74D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3A74D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A74D0

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A74D0	#FFFFFF	#000000	##000000
##3A74D0	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#467DD4

Deuteranopia (green-blind)

#296FCE

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3a74d0;
/* rgb */ color: rgb(58, 116, 208);
/* oklch */ color: oklch(56.8% 0.155 259.3);

Tailwind

colors: {
  custom: {
    50: '#839bdf',
    500: '#3a74d0',
    950: '#000000',
  },
}

SCSS

$custom: #3a74d0;
$custom-light: #839bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a74d0",
  "rgb": {
    "r": 58,
    "g": 116,
    "b": 208
  },
  "hsl": {
    "h": 216.8,
    "s": 61.475,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56775,
    "c": 0.15457,
    "h": 259.3
  },
  "luminance": 0.17944
}

Semantic roles & 50–950 ramp

primary

#3A74D0

secondary

#D4BA92

accent

#A643E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A74D0

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

Preview Lab → · Contrast checker → · Palette generator →