#2172A4#2172A4

#2172A4 is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.9% C 0.109 H 241.1°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#2172A4
RGB	rgb(33, 114, 164)
HSL	hsl(203, 66%, 39%)
HSV	hsv(203, 80%, 64%)
CMYK	cmyk(79.9%, 30.5%, 0%, 35.7%)
CIE-LAB	lab(45.68, -6.02, -33.61)
CIE-LCH	lch(45.68, 34.14, 259.84°)
OKLab	oklab(52.86% -0.0526 -0.0952)
OKLCH	oklch(52.86% 0.109 241.1)
XYZ	xyz(13.3427, 15.0367, 37.3139)
Luminance	0.1504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2172A4 #A45321

analogous

#21A494 #2172A4 #2130A4

triadic

#2172A4 #A42172 #72A421

tetradic

#2172A4 #9421A4 #A45321 #30A421

square

#2172A4 #9421A4 #A45321 #30A421

split-complementary

#2172A4 #A42130 #A49421

monochromatic

#0C2B3E #174F71 #2172A4 #2D95D5 #60AFDF

Accessibility & contrast

On white

5.24

#2172A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#2172A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2172A4

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2172A4	#FFFFFF	#000000	##FFFFFF
##2172A4	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A73A6

Deuteranopia (green-blind)

#4967A3

Tritanopia (blue-blind)

#007E84

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #2172a4;
/* rgb */ color: rgb(33, 114, 164);
/* oklch */ color: oklch(52.9% 0.109 241.1);

Tailwind

colors: {
  custom: {
    50: '#719abf',
    500: '#2172a4',
    950: '#000000',
  },
}

SCSS

$custom: #2172a4;
$custom-light: #719abf;
$custom-dark: #000000;

JSON

{
  "hex": "#2172a4",
  "rgb": {
    "r": 33,
    "g": 114,
    "b": 164
  },
  "hsl": {
    "h": 202.901,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.52856,
    "c": 0.10878,
    "h": 241.1
  },
  "luminance": 0.15038
}

Semantic roles & 50–950 ramp

primary

#2172A4

secondary

#C4845D

accent

#803EE9

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2172A4

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

Preview Lab → · Contrast checker → · Palette generator →