#2183A7#2183A7

#2183A7 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.2% C 0.102 H 228.1°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#2183A7
RGB	rgb(33, 131, 167)
HSL	hsl(196, 67%, 39%)
HSV	hsv(196, 80%, 65%)
CMYK	cmyk(80.2%, 21.6%, 0%, 34.5%)
CIE-LAB	lab(51.09, -14.74, -26.92)
CIE-LCH	lch(51.09, 30.69, 241.30°)
OKLab	oklab(57.2% -0.0679 -0.0757)
OKLCH	oklch(57.2% 0.102 228.1)
XYZ	xyz(15.7157, 19.3440, 39.4572)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2183A7 #A74521

analogous

#21A788 #2183A7 #2140A7

triadic

#2183A7 #A72183 #83A721

tetradic

#2183A7 #8821A7 #A74521 #40A721

square

#2183A7 #8821A7 #A74521 #40A721

split-complementary

#2183A7 #A72140 #A78821

monochromatic

#0D3341 #175B74 #2183A7 #2FA9D6 #62BEE0

Accessibility & contrast

On white

4.31

#2183A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#2183A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2183A7

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2183A7	#FFFFFF	#000000	##000000
##2183A7	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7081A9

Deuteranopia (green-blind)

#5E74A7

Tritanopia (blue-blind)

#008D8F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2183a7;
/* rgb */ color: rgb(33, 131, 167);
/* oklch */ color: oklch(57.2% 0.102 228.1);

Tailwind

colors: {
  custom: {
    50: '#73a7c1',
    500: '#2183a7',
    950: '#000000',
  },
}

SCSS

$custom: #2183a7;
$custom-light: #73a7c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2183a7",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 167
  },
  "hsl": {
    "h": 196.119,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.57204,
    "c": 0.10166,
    "h": 228.1
  },
  "luminance": 0.19346
}

Semantic roles & 50–950 ramp

primary

#2183A7

secondary

#C57A5F

accent

#6C3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2183A7

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

Preview Lab → · Contrast checker → · Palette generator →