#2177A4#2177A4

#2177A4 is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.1% C 0.105 H 236.9°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#2177A4
RGB	rgb(33, 119, 164)
HSL	hsl(201, 66%, 39%)
HSV	hsv(201, 80%, 64%)
CMYK	cmyk(79.9%, 27.4%, 0%, 35.7%)
CIE-LAB	lab(47.23, -8.98, -31.18)
CIE-LCH	lch(47.23, 32.45, 253.94°)
OKLab	oklab(54.08% -0.0574 -0.0881)
OKLCH	oklch(54.08% 0.105 236.9)
XYZ	xyz(13.9222, 16.1956, 37.5071)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2177A4 #A44E21

analogous

#21A48F #2177A4 #2135A4

triadic

#2177A4 #A42177 #77A421

tetradic

#2177A4 #8F21A4 #A44E21 #35A421

square

#2177A4 #8F21A4 #A44E21 #35A421

split-complementary

#2177A4 #A42135 #A48F21

monochromatic

#0C2D3E #175271 #2177A4 #2D9BD5 #60B4DF

Accessibility & contrast

On white

4.95

#2177A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#2177A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2177A4

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2177A4	#FFFFFF	#000000	##FFFFFF
##2177A4	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6177A6

Deuteranopia (green-blind)

#506BA3

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2177a4;
/* rgb */ color: rgb(33, 119, 164);
/* oklch */ color: oklch(54.1% 0.105 236.9);

Tailwind

colors: {
  custom: {
    50: '#729ebf',
    500: '#2177a4',
    950: '#000000',
  },
}

SCSS

$custom: #2177a4;
$custom-light: #729ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2177a4",
  "rgb": {
    "r": 33,
    "g": 119,
    "b": 164
  },
  "hsl": {
    "h": 200.611,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.54083,
    "c": 0.10514,
    "h": 236.9
  },
  "luminance": 0.16197
}

Semantic roles & 50–950 ramp

primary

#2177A4

secondary

#C4805D

accent

#793EE9

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2177A4

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

Preview Lab → · Contrast checker → · Palette generator →