#2172A5#2172A5

#2172A5 is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.9% C 0.110 H 241.6°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#2172A5
RGB	rgb(33, 114, 165)
HSL	hsl(203, 67%, 39%)
HSV	hsv(203, 80%, 65%)
CMYK	cmyk(80%, 30.9%, 0%, 35.3%)
CIE-LAB	lab(45.73, -5.65, -34.12)
CIE-LCH	lch(45.73, 34.58, 260.60°)
OKLab	oklab(52.91% -0.0523 -0.0967)
OKLCH	oklch(52.91% 0.11 241.6)
XYZ	xyz(13.4334, 15.0729, 37.7914)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2172A5 #A55421

analogous

#21A596 #2172A5 #2130A5

triadic

#2172A5 #A52172 #72A521

tetradic

#2172A5 #9621A5 #A55421 #30A521

square

#2172A5 #9621A5 #A55421 #30A521

split-complementary

#2172A5 #A52130 #A59621

monochromatic

#0D2C3F #174F72 #2172A5 #2E95D5 #61AFDF

Accessibility & contrast

On white

5.23

#2172A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#2172A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2172A5

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2172A5	#FFFFFF	#000000	##FFFFFF
##2172A5	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A73A7

Deuteranopia (green-blind)

#4867A4

Tritanopia (blue-blind)

#007F84

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #2172a5;
/* rgb */ color: rgb(33, 114, 165);
/* oklch */ color: oklch(52.9% 0.110 241.6);

Tailwind

colors: {
  custom: {
    50: '#729ac0',
    500: '#2172a5',
    950: '#000000',
  },
}

SCSS

$custom: #2172a5;
$custom-light: #729ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#2172a5",
  "rgb": {
    "r": 33,
    "g": 114,
    "b": 165
  },
  "hsl": {
    "h": 203.182,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.52912,
    "c": 0.10994,
    "h": 241.6
  },
  "luminance": 0.15075
}

Semantic roles & 50–950 ramp

primary

#2172A5

secondary

#C4855E

accent

#803EEA

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2172A5

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

Preview Lab → · Contrast checker → · Palette generator →