#3A73BC#3A73BC

#3A73BC is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.3% C 0.129 H 255.7°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3A73BC
RGB	rgb(58, 115, 188)
HSL	hsl(214, 53%, 48%)
HSV	hsv(214, 69%, 74%)
CMYK	cmyk(69.1%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(47.99, 5.59, -43.88)
CIE-LCH	lch(47.99, 44.23, 277.27°)
OKLab	oklab(55.29% -0.0319 -0.1249)
OKLCH	oklch(55.29% 0.129 255.7)
XYZ	xyz(16.9494, 16.7901, 49.9148)
Luminance	0.1679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73BC #BC833A

analogous

#3AB4BC #3A73BC #423ABC

triadic

#3A73BC #BC3A73 #73BC3A

tetradic

#3A73BC #BC3AB4 #BC833A #3ABC42

square

#3A73BC #BC3AB4 #BC833A #3ABC42

split-complementary

#3A73BC #BC423A #B4BC3A

monochromatic

#1D3A5E #2C568D #3A73BC #6493CF #93B4DE

Accessibility & contrast

On white

4.82

#3A73BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3A73BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73BC

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73BC	#FFFFFF	#000000	##FFFFFF
##3A73BC	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279BF

Deuteranopia (green-blind)

#3E6CBB

Tritanopia (blue-blind)

#00848E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a73bc;
/* rgb */ color: rgb(58, 115, 188);
/* oklch */ color: oklch(55.3% 0.129 255.7);

Tailwind

colors: {
  custom: {
    50: '#7f9ad0',
    500: '#3a73bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a73bc;
$custom-light: #7f9ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73bc",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 213.692,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55293,
    "c": 0.12896,
    "h": 255.7
  },
  "luminance": 0.16792
}

Semantic roles & 50–950 ramp

primary

#3A73BC

secondary

#C9AD89

accent

#9D4CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A73BC

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

Preview Lab → · Contrast checker → · Palette generator →