#3A73BA#3A73BA

#3A73BA is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.2% C 0.126 H 255.1°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3A73BA
RGB	rgb(58, 115, 186)
HSL	hsl(213, 52%, 48%)
HSV	hsv(213, 69%, 73%)
CMYK	cmyk(68.8%, 38.2%, 0%, 27.1%)
CIE-LAB	lab(47.89, 4.88, -42.90)
CIE-LCH	lch(47.89, 43.17, 276.48°)
OKLab	oklab(55.17% -0.0324 -0.1221)
OKLCH	oklch(55.17% 0.126 255.1)
XYZ	xyz(16.7353, 16.7044, 48.7872)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73BA #BA813A

analogous

#3AB3BA #3A73BA #413ABA

triadic

#3A73BA #BA3A73 #73BA3A

tetradic

#3A73BA #BA3AB3 #BA813A #3ABA41

square

#3A73BA #BA3AB3 #BA813A #3ABA41

split-complementary

#3A73BA #BA413A #B3BA3A

monochromatic

#1D395D #2B568B #3A73BA #6393CE #92B3DD

Accessibility & contrast

On white

4.84

#3A73BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3A73BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73BA

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73BA	#FFFFFF	#000000	##FFFFFF
##3A73BA	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5378BD

Deuteranopia (green-blind)

#406CB9

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a73ba;
/* rgb */ color: rgb(58, 115, 186);
/* oklch */ color: oklch(55.2% 0.126 255.1);

Tailwind

colors: {
  custom: {
    50: '#7e9acf',
    500: '#3a73ba',
    950: '#000000',
  },
}

SCSS

$custom: #3a73ba;
$custom-light: #7e9acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73ba",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 186
  },
  "hsl": {
    "h": 213.281,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55173,
    "c": 0.12629,
    "h": 255.1
  },
  "luminance": 0.16706
}

Semantic roles & 50–950 ramp

primary

#3A73BA

secondary

#C8AB88

accent

#9C4CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3A73BA

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

Preview Lab → · Contrast checker → · Palette generator →