#2172A8#2172A8

#2172A8 is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.1% C 0.113 H 243.1°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#2172A8
RGB	rgb(33, 114, 168)
HSL	hsl(204, 67%, 39%)
HSV	hsv(204, 80%, 66%)
CMYK	cmyk(80.4%, 32.1%, 0%, 34.1%)
CIE-LAB	lab(45.88, -4.52, -35.64)
CIE-LCH	lch(45.88, 35.92, 262.77°)
OKLab	oklab(53.08% -0.0513 -0.1011)
OKLCH	oklch(53.08% 0.113 243.1)
XYZ	xyz(13.7096, 15.1834, 39.2463)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2172A8 #A85721

analogous

#21A89B #2172A8 #212FA8

triadic

#2172A8 #A82172 #72A821

tetradic

#2172A8 #9B21A8 #A85721 #2FA821

square

#2172A8 #9B21A8 #A85721 #2FA821

split-complementary

#2172A8 #A8212F #A89B21

monochromatic

#0D2D42 #174F75 #2172A8 #3094D6 #63AEE0

Accessibility & contrast

On white

5.20

#2172A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#2172A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2172A8

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2172A8	#FFFFFF	#000000	##FFFFFF
##2172A8	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5973AA

Deuteranopia (green-blind)

#4667A7

Tritanopia (blue-blind)

#007F85

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2172a8;
/* rgb */ color: rgb(33, 114, 168);
/* oklch */ color: oklch(53.1% 0.113 243.1);

Tailwind

colors: {
  custom: {
    50: '#729ac2',
    500: '#2172a8',
    950: '#000000',
  },
}

SCSS

$custom: #2172a8;
$custom-light: #729ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#2172a8",
  "rgb": {
    "r": 33,
    "g": 114,
    "b": 168
  },
  "hsl": {
    "h": 204,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.5308,
    "c": 0.11342,
    "h": 243.1
  },
  "luminance": 0.15185
}

Semantic roles & 50–950 ramp

primary

#2172A8

secondary

#C5885F

accent

#833EEA

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2172A8

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

Preview Lab → · Contrast checker → · Palette generator →