#3A73C8#3A73C8

#3A73C8 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.0% C 0.145 H 258.4°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#3A73C8
RGB	rgb(58, 115, 200)
HSL	hsl(216, 56%, 51%)
HSV	hsv(216, 71%, 78%)
CMYK	cmyk(71%, 42.5%, 0%, 21.6%)
CIE-LAB	lab(48.67, 9.94, -49.70)
CIE-LCH	lch(48.67, 50.68, 281.32°)
OKLab	oklab(56.04% -0.0293 -0.142)
OKLCH	oklch(56.04% 0.145 258.4)
XYZ	xyz(18.2972, 17.3292, 57.0130)
Luminance	0.1733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73C8 #C88F3A

analogous

#3ABAC8 #3A73C8 #483AC8

triadic

#3A73C8 #C83A73 #73C83A

tetradic

#3A73C8 #C83ABA #C88F3A #3AC848

square

#3A73C8 #C83ABA #C88F3A #3AC848

split-complementary

#3A73C8 #C8483A #BAC83A

monochromatic

#1E3C6A #2B579A #3A73C8 #6A95D5 #9AB7E3

Accessibility & contrast

On white

4.70

#3A73C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#3A73C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73C8

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73C8	#FFFFFF	#000000	##FFFFFF
##3A73C8	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7BCB

Deuteranopia (green-blind)

#326EC6

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a73c8;
/* rgb */ color: rgb(58, 115, 200);
/* oklch */ color: oklch(56.0% 0.145 258.4);

Tailwind

colors: {
  custom: {
    50: '#819ad9',
    500: '#3a73c8',
    950: '#000000',
  },
}

SCSS

$custom: #3a73c8;
$custom-light: #819ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73c8",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 200
  },
  "hsl": {
    "h": 215.915,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5604,
    "c": 0.14502,
    "h": 258.4
  },
  "luminance": 0.17331
}

Semantic roles & 50–950 ramp

primary

#3A73C8

secondary

#CEB58F

accent

#A348E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3A73C8

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

Preview Lab → · Contrast checker → · Palette generator →