#3A73B5#3A73B5

#3A73B5 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.120 H 253.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3A73B5
RGB	rgb(58, 115, 181)
HSL	hsl(212, 51%, 47%)
HSV	hsv(212, 68%, 71%)
CMYK	cmyk(68%, 36.5%, 0%, 29%)
CIE-LAB	lab(47.62, 3.08, -40.42)
CIE-LCH	lch(47.62, 40.54, 274.36°)
OKLab	oklab(54.88% -0.0336 -0.1148)
OKLCH	oklch(54.88% 0.12 253.7)
XYZ	xyz(16.2131, 16.4955, 46.0366)
Luminance	0.1650 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73B5 #B57C3A

analogous

#3AB1B5 #3A73B5 #3F3AB5

triadic

#3A73B5 #B53A73 #73B53A

tetradic

#3A73B5 #B53AB1 #B57C3A #3AB53F

square

#3A73B5 #B53AB1 #B57C3A #3AB53F

split-complementary

#3A73B5 #B53F3A #B1B53A

monochromatic

#1C3858 #2B5687 #3A73B5 #6092CC #8EB2DB

Accessibility & contrast

On white

4.88

#3A73B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3A73B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73B5

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73B5	#FFFFFF	#000000	##FFFFFF
##3A73B5	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5677B8

Deuteranopia (green-blind)

#446CB4

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a73b5;
/* rgb */ color: rgb(58, 115, 181);
/* oklch */ color: oklch(54.9% 0.120 253.7);

Tailwind

colors: {
  custom: {
    50: '#7e9acb',
    500: '#3a73b5',
    950: '#000000',
  },
}

SCSS

$custom: #3a73b5;
$custom-light: #7e9acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73b5",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 181
  },
  "hsl": {
    "h": 212.195,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54877,
    "c": 0.11967,
    "h": 253.7
  },
  "luminance": 0.16497
}

Semantic roles & 50–950 ramp

primary

#3A73B5

secondary

#C6A885

accent

#994DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A73B5

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

Preview Lab → · Contrast checker → · Palette generator →