#2179A7#2179A7

#2179A7 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.7% C 0.107 H 237.0°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#2179A7
RGB	rgb(33, 121, 167)
HSL	hsl(201, 67%, 39%)
HSV	hsv(201, 80%, 65%)
CMYK	cmyk(80.2%, 27.5%, 0%, 34.5%)
CIE-LAB	lab(47.99, -9.04, -31.75)
CIE-LCH	lch(47.99, 33.01, 254.10°)
OKLab	oklab(54.73% -0.0582 -0.0897)
OKLCH	oklch(54.73% 0.107 237)
XYZ	xyz(14.4368, 16.7863, 39.0309)
Luminance	0.1679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2179A7 #A74F21

analogous

#21A792 #2179A7 #2136A7

triadic

#2179A7 #A72179 #79A721

tetradic

#2179A7 #9221A7 #A74F21 #36A721

square

#2179A7 #9221A7 #A74F21 #36A721

split-complementary

#2179A7 #A72136 #A79221

monochromatic

#0D2F41 #175474 #2179A7 #2F9DD6 #62B5E0

Accessibility & contrast

On white

4.82

#2179A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#2179A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2179A7

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2179A7	#FFFFFF	#000000	##FFFFFF
##2179A7	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6379A9

Deuteranopia (green-blind)

#516CA6

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2179a7;
/* rgb */ color: rgb(33, 121, 167);
/* oklch */ color: oklch(54.7% 0.107 237.0);

Tailwind

colors: {
  custom: {
    50: '#729fc1',
    500: '#2179a7',
    950: '#000000',
  },
}

SCSS

$custom: #2179a7;
$custom-light: #729fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2179a7",
  "rgb": {
    "r": 33,
    "g": 121,
    "b": 167
  },
  "hsl": {
    "h": 200.597,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.54733,
    "c": 0.10698,
    "h": 237
  },
  "luminance": 0.16788
}

Semantic roles & 50–950 ramp

primary

#2179A7

secondary

#C5825F

accent

#793EEA

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2179A7

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

Preview Lab → · Contrast checker → · Palette generator →