#2179A6#2179A6

#2179A6 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.7% C 0.106 H 236.4°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#2179A6
RGB	rgb(33, 121, 166)
HSL	hsl(200, 67%, 39%)
HSV	hsv(200, 80%, 65%)
CMYK	cmyk(80.1%, 27.1%, 0%, 34.9%)
CIE-LAB	lab(47.94, -9.41, -31.24)
CIE-LCH	lch(47.94, 32.62, 253.24°)
OKLab	oklab(54.68% -0.0586 -0.0882)
OKLCH	oklch(54.68% 0.106 236.4)
XYZ	xyz(14.3448, 16.7495, 38.5459)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2179A6 #A64E21

analogous

#21A691 #2179A6 #2137A6

triadic

#2179A6 #A62179 #79A621

tetradic

#2179A6 #9121A6 #A64E21 #37A621

square

#2179A6 #9121A6 #A64E21 #37A621

split-complementary

#2179A6 #A62137 #A69121

monochromatic

#0D2F40 #175473 #2179A6 #2F9DD6 #62B5E0

Accessibility & contrast

On white

4.83

#2179A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#2179A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2179A6

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2179A6	#FFFFFF	#000000	##FFFFFF
##2179A6	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6379A8

Deuteranopia (green-blind)

#516CA5

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2179a6;
/* rgb */ color: rgb(33, 121, 166);
/* oklch */ color: oklch(54.7% 0.106 236.4);

Tailwind

colors: {
  custom: {
    50: '#729fc0',
    500: '#2179a6',
    950: '#000000',
  },
}

SCSS

$custom: #2179a6;
$custom-light: #729fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2179a6",
  "rgb": {
    "r": 33,
    "g": 121,
    "b": 166
  },
  "hsl": {
    "h": 200.301,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.54681,
    "c": 0.10593,
    "h": 236.4
  },
  "luminance": 0.16751
}

Semantic roles & 50–950 ramp

primary

#2179A6

secondary

#C5815E

accent

#783EEA

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2179A6

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

Preview Lab → · Contrast checker → · Palette generator →