#1F73A5#1F73A5

#1F73A5 is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.1% C 0.110 H 240.5°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#1F73A5
RGB	rgb(31, 115, 165)
HSL	hsl(202, 68%, 38%)
HSV	hsv(202, 81%, 65%)
CMYK	cmyk(81.2%, 30.3%, 0%, 35.3%)
CIE-LAB	lab(46.00, -6.46, -33.70)
CIE-LCH	lch(46.00, 34.32, 259.15°)
OKLab	oklab(53.11% -0.0541 -0.0955)
OKLCH	oklch(53.11% 0.11 240.5)
XYZ	xyz(13.4847, 15.2677, 37.8263)
Luminance	0.1527 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F73A5 #A5511F

analogous

#1FA594 #1F73A5 #1F30A5

triadic

#1F73A5 #A51F73 #73A51F

tetradic

#1F73A5 #941FA5 #A5511F #30A51F

square

#1F73A5 #941FA5 #A5511F #30A51F

split-complementary

#1F73A5 #A51F30 #A5941F

monochromatic

#0C2B3E #154F71 #1F73A5 #2A97D7 #5EB0E1

Accessibility & contrast

On white

5.18

#1F73A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#1F73A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F73A5

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F73A5	#FFFFFF	#000000	##FFFFFF
##1F73A5	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B74A7

Deuteranopia (green-blind)

#4967A4

Tritanopia (blue-blind)

#008085

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #1f73a5;
/* rgb */ color: rgb(31, 115, 165);
/* oklch */ color: oklch(53.1% 0.110 240.5);

Tailwind

colors: {
  custom: {
    50: '#719bc0',
    500: '#1f73a5',
    950: '#000000',
  },
}

SCSS

$custom: #1f73a5;
$custom-light: #719bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f73a5",
  "rgb": {
    "r": 31,
    "g": 115,
    "b": 165
  },
  "hsl": {
    "h": 202.388,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.53109,
    "c": 0.10976,
    "h": 240.5
  },
  "luminance": 0.15269
}

Semantic roles & 50–950 ramp

primary

#1F73A5

secondary

#C5825B

accent

#7E3DEB

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1F73A5

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

Preview Lab → · Contrast checker → · Palette generator →