#2173A7#2173A7

#2173A7 is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.3% C 0.111 H 241.8°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#2173A7
RGB	rgb(33, 115, 167)
HSL	hsl(203, 67%, 39%)
HSV	hsv(203, 80%, 65%)
CMYK	cmyk(80.2%, 31.1%, 0%, 34.5%)
CIE-LAB	lab(46.14, -5.50, -34.65)
CIE-LCH	lch(46.14, 35.08, 260.98°)
OKLab	oklab(53.27% -0.0526 -0.0982)
OKLCH	oklch(53.27% 0.111 241.8)
XYZ	xyz(13.7302, 15.3731, 38.7954)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2173A7 #A75521

analogous

#21A798 #2173A7 #2130A7

triadic

#2173A7 #A72173 #73A721

tetradic

#2173A7 #9821A7 #A75521 #30A721

square

#2173A7 #9821A7 #A75521 #30A721

split-complementary

#2173A7 #A72130 #A79821

monochromatic

#0D2D41 #175074 #2173A7 #2F95D6 #62AFE0

Accessibility & contrast

On white

5.15

#2173A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#2173A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2173A7

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2173A7	#FFFFFF	#000000	##FFFFFF
##2173A7	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)

#5B74A9

Deuteranopia (green-blind)

#4868A6

Tritanopia (blue-blind)

#008085

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2173a7;
/* rgb */ color: rgb(33, 115, 167);
/* oklch */ color: oklch(53.3% 0.111 241.8);

Tailwind

colors: {
  custom: {
    50: '#729bc1',
    500: '#2173a7',
    950: '#000000',
  },
}

SCSS

$custom: #2173a7;
$custom-light: #729bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2173a7",
  "rgb": {
    "r": 33,
    "g": 115,
    "b": 167
  },
  "hsl": {
    "h": 203.284,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.53267,
    "c": 0.11143,
    "h": 241.8
  },
  "luminance": 0.15375
}

Semantic roles & 50–950 ramp

primary

#2173A7

secondary

#C5865F

accent

#813EEA

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2173A7

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

Preview Lab → · Contrast checker → · Palette generator →