#2181A7#2181A7

#2181A7 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.7% C 0.102 H 230.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2181A7
RGB	rgb(33, 129, 167)
HSL	hsl(197, 67%, 39%)
HSV	hsv(197, 80%, 65%)
CMYK	cmyk(80.2%, 22.8%, 0%, 34.5%)
CIE-LAB	lab(50.47, -13.62, -27.88)
CIE-LCH	lch(50.47, 31.03, 243.97°)
OKLab	oklab(56.71% -0.0659 -0.0785)
OKLCH	oklch(56.71% 0.102 230)
XYZ	xyz(15.4497, 18.8120, 39.3685)
Luminance	0.1881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2181A7 #A74721

analogous

#21A78A #2181A7 #213EA7

triadic

#2181A7 #A72181 #81A721

tetradic

#2181A7 #8A21A7 #A74721 #3EA721

square

#2181A7 #8A21A7 #A74721 #3EA721

split-complementary

#2181A7 #A7213E #A78A21

monochromatic

#0D3241 #175A74 #2181A7 #2FA7D6 #62BCE0

Accessibility & contrast

On white

4.41

#2181A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#2181A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2181A7

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2181A7	#FFFFFF	#000000	##000000
##2181A7	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)

#6D7FA9

Deuteranopia (green-blind)

#5C73A6

Tritanopia (blue-blind)

#008B8E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2181a7;
/* rgb */ color: rgb(33, 129, 167);
/* oklch */ color: oklch(56.7% 0.102 230.0);

Tailwind

colors: {
  custom: {
    50: '#73a5c1',
    500: '#2181a7',
    950: '#000000',
  },
}

SCSS

$custom: #2181a7;
$custom-light: #73a5c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2181a7",
  "rgb": {
    "r": 33,
    "g": 129,
    "b": 167
  },
  "hsl": {
    "h": 197.015,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.56708,
    "c": 0.10249,
    "h": 230
  },
  "luminance": 0.18814
}

Semantic roles & 50–950 ramp

primary

#2181A7

secondary

#C57C5F

accent

#6F3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2181A7

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

Preview Lab → · Contrast checker → · Palette generator →