#2180AE#2180AE

#2180AE is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.8% C 0.110 H 235.3°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2180AE
RGB	rgb(33, 128, 174)
HSL	hsl(200, 68%, 41%)
HSV	hsv(200, 81%, 68%)
CMYK	cmyk(81%, 26.4%, 0%, 31.8%)
CIE-LAB	lab(50.47, -10.53, -31.93)
CIE-LCH	lch(50.47, 33.62, 251.75°)
OKLab	oklab(56.82% -0.0625 -0.0902)
OKLCH	oklch(56.82% 0.11 235.3)
XYZ	xyz(15.9833, 18.8157, 42.8256)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2180AE #AE4F21

analogous

#21AE95 #2180AE #213AAE

triadic

#2180AE #AE2180 #80AE21

tetradic

#2180AE #9521AE #AE4F21 #3AAE21

square

#2180AE #9521AE #AE4F21 #3AAE21

split-complementary

#2180AE #AE213A #AE9521

monochromatic

#0D3447 #175A7B #2180AE #34A3D8 #67BAE2

Accessibility & contrast

On white

4.41

#2180AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#2180AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2180AE

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2180AE	#FFFFFF	#000000	##000000
##2180AE	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7FB0

Deuteranopia (green-blind)

#5772AD

Tritanopia (blue-blind)

#008C90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2180ae;
/* rgb */ color: rgb(33, 128, 174);
/* oklch */ color: oklch(56.8% 0.110 235.3);

Tailwind

colors: {
  custom: {
    50: '#74a4c6',
    500: '#2180ae',
    950: '#000000',
  },
}

SCSS

$custom: #2180ae;
$custom-light: #74a4c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2180ae",
  "rgb": {
    "r": 33,
    "g": 128,
    "b": 174
  },
  "hsl": {
    "h": 199.574,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56815,
    "c": 0.1097,
    "h": 235.3
  },
  "luminance": 0.18818
}

Semantic roles & 50–950 ramp

primary

#2180AE

secondary

#C88463

accent

#763DEB

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2180AE

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

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