#2179A0#2179A0

#2179A0 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.4% C 0.100 H 232.6°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2179A0
RGB	rgb(33, 121, 160)
HSL	hsl(198, 66%, 38%)
HSV	hsv(198, 79%, 63%)
CMYK	cmyk(79.4%, 24.4%, 0%, 37.3%)
CIE-LAB	lab(47.67, -11.59, -28.16)
CIE-LCH	lch(47.67, 30.45, 247.63°)
OKLab	oklab(54.37% -0.0607 -0.0793)
OKLCH	oklch(54.37% 0.1 232.6)
XYZ	xyz(13.8072, 16.5345, 35.7147)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2179A0 #A04821

analogous

#21A087 #2179A0 #213AA0

triadic

#2179A0 #A02179 #79A021

tetradic

#2179A0 #8721A0 #A04821 #3AA021

square

#2179A0 #8721A0 #A04821 #3AA021

split-complementary

#2179A0 #A0213A #A08721

monochromatic

#0C2C3B #17536D #2179A0 #2B9FD3 #5EB6DE

Accessibility & contrast

On white

4.88

#2179A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2179A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2179A0

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2179A0	#FFFFFF	#000000	##FFFFFF
##2179A0	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6678A2

Deuteranopia (green-blind)

#556C9F

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2179a0;
/* rgb */ color: rgb(33, 121, 160);
/* oklch */ color: oklch(54.4% 0.100 232.6);

Tailwind

colors: {
  custom: {
    50: '#719fbc',
    500: '#2179a0',
    950: '#000000',
  },
}

SCSS

$custom: #2179a0;
$custom-light: #719fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2179a0",
  "rgb": {
    "r": 33,
    "g": 121,
    "b": 160
  },
  "hsl": {
    "h": 198.425,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54371,
    "c": 0.09991,
    "h": 232.6
  },
  "luminance": 0.16536
}

Semantic roles & 50–950 ramp

primary

#2179A0

secondary

#C27A5B

accent

#733FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2179A0

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

Preview Lab → · Contrast checker → · Palette generator →