#1C73A9#1C73A9

#1C73A9 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.3% C 0.115 H 242.0°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C73A9
RGB	rgb(28, 115, 169)
HSL	hsl(203, 72%, 39%)
HSV	hsv(203, 83%, 66%)
CMYK	cmyk(83.4%, 32%, 0%, 33.7%)
CIE-LAB	lab(46.14, -5.25, -35.83)
CIE-LCH	lch(46.14, 36.21, 261.67°)
OKLab	oklab(53.27% -0.054 -0.1017)
OKLCH	oklch(53.27% 0.115 242)
XYZ	xyz(13.7682, 15.3712, 39.7697)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C73A9 #A9521C

analogous

#1CA998 #1C73A9 #1C2CA9

triadic

#1C73A9 #A91C73 #73A91C

tetradic

#1C73A9 #981CA9 #A9521C #2CA91C

square

#1C73A9 #981CA9 #A9521C #2CA91C

split-complementary

#1C73A9 #A91C2C #A9981C

monochromatic

#0B2C40 #134F74 #1C73A9 #2796DB #5BB0E4

Accessibility & contrast

On white

5.15

#1C73A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#1C73A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C73A9

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C73A9	#FFFFFF	#000000	##FFFFFF
##1C73A9	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5974AB

Deuteranopia (green-blind)

#4668A8

Tritanopia (blue-blind)

#008086

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1c73a9;
/* rgb */ color: rgb(28, 115, 169);
/* oklch */ color: oklch(53.3% 0.115 242.0);

Tailwind

colors: {
  custom: {
    50: '#719bc3',
    500: '#1c73a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c73a9;
$custom-light: #719bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c73a9",
  "rgb": {
    "r": 28,
    "g": 115,
    "b": 169
  },
  "hsl": {
    "h": 202.979,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.53268,
    "c": 0.11519,
    "h": 242
  },
  "luminance": 0.15373
}

Semantic roles & 50–950 ramp

primary

#1C73A9

secondary

#C88359

accent

#7F39EE

background

#F7F9FC

surface

#EDF2F8

border

#C8CCD1

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1C73A9

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

Preview Lab → · Contrast checker → · Palette generator →