#2177A5#2177A5

#2177A5 is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.1% C 0.106 H 237.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#2177A5
RGB	rgb(33, 119, 165)
HSL	hsl(201, 67%, 39%)
HSV	hsv(201, 80%, 65%)
CMYK	cmyk(80%, 27.9%, 0%, 35.3%)
CIE-LAB	lab(47.28, -8.61, -31.69)
CIE-LCH	lch(47.28, 32.84, 254.80°)
OKLab	oklab(54.14% -0.057 -0.0896)
OKLCH	oklch(54.14% 0.106 237.5)
XYZ	xyz(14.0128, 16.2319, 37.9845)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2177A5 #A54F21

analogous

#21A591 #2177A5 #2135A5

triadic

#2177A5 #A52177 #77A521

tetradic

#2177A5 #9121A5 #A54F21 #35A521

square

#2177A5 #9121A5 #A54F21 #35A521

split-complementary

#2177A5 #A52135 #A59121

monochromatic

#0D2D3F #175272 #2177A5 #2E9BD5 #61B3DF

Accessibility & contrast

On white

4.94

#2177A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#2177A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2177A5

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2177A5	#FFFFFF	#000000	##FFFFFF
##2177A5	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6177A7

Deuteranopia (green-blind)

#4F6BA4

Tritanopia (blue-blind)

#008387

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2177a5;
/* rgb */ color: rgb(33, 119, 165);
/* oklch */ color: oklch(54.1% 0.106 237.5);

Tailwind

colors: {
  custom: {
    50: '#729ec0',
    500: '#2177a5',
    950: '#000000',
  },
}

SCSS

$custom: #2177a5;
$custom-light: #729ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2177a5",
  "rgb": {
    "r": 33,
    "g": 119,
    "b": 165
  },
  "hsl": {
    "h": 200.909,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.54136,
    "c": 0.10621,
    "h": 237.5
  },
  "luminance": 0.16234
}

Semantic roles & 50–950 ramp

primary

#2177A5

secondary

#C4815E

accent

#7A3EEA

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2177A5

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

Preview Lab → · Contrast checker → · Palette generator →