#3A73B1#3A73B1

#3A73B1 is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.6% C 0.114 H 252.3°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3A73B1
RGB	rgb(58, 115, 177)
HSL	hsl(211, 51%, 46%)
HSV	hsv(211, 67%, 69%)
CMYK	cmyk(67.2%, 35%, 0%, 30.6%)
CIE-LAB	lab(47.41, 1.66, -38.43)
CIE-LCH	lch(47.41, 38.47, 272.47°)
OKLab	oklab(54.65% -0.0347 -0.109)
OKLCH	oklch(54.65% 0.114 252.3)
XYZ	xyz(15.8085, 16.3337, 43.9060)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A73B1 #B1783A

analogous

#3AAEB1 #3A73B1 #3D3AB1

triadic

#3A73B1 #B13A73 #73B13A

tetradic

#3A73B1 #B13AAE #B1783A #3AB13D

square

#3A73B1 #B13AAE #B1783A #3AB13D

split-complementary

#3A73B1 #B13D3A #AEB13A

monochromatic

#1C3755 #2B5583 #3A73B1 #5E92CA #8CB1D9

Accessibility & contrast

On white

4.92

#3A73B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3A73B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73B1

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A73B1	#FFFFFF	#000000	##FFFFFF
##3A73B1	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5877B4

Deuteranopia (green-blind)

#476BB0

Tritanopia (blue-blind)

#00818A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3a73b1;
/* rgb */ color: rgb(58, 115, 177);
/* oklch */ color: oklch(54.6% 0.114 252.3);

Tailwind

colors: {
  custom: {
    50: '#7d9ac8',
    500: '#3a73b1',
    950: '#000000',
  },
}

SCSS

$custom: #3a73b1;
$custom-light: #7d9ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a73b1",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 177
  },
  "hsl": {
    "h": 211.261,
    "s": 50.638,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54646,
    "c": 0.1144,
    "h": 252.3
  },
  "luminance": 0.16335
}

Semantic roles & 50–950 ramp

primary

#3A73B1

secondary

#C4A583

accent

#974EDA

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3A73B1

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

Preview Lab → · Contrast checker → · Palette generator →