#188AA1#188AA1

#188AA1 is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 58.5% C 0.099 H 215.9°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#188AA1
RGB	rgb(24, 138, 161)
HSL	hsl(190, 74%, 36%)
HSV	hsv(190, 85%, 63%)
CMYK	cmyk(85.1%, 14.3%, 0%, 36.9%)
CIE-LAB	lab(52.89, -21.45, -20.69)
CIE-LCH	lch(52.89, 29.80, 223.97°)
OKLab	oklab(58.53% -0.08 -0.0578)
OKLCH	oklch(58.53% 0.099 215.9)
XYZ	xyz(15.8954, 20.9423, 36.9158)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188AA1 #A12F18

analogous

#18A174 #188AA1 #1846A1

triadic

#188AA1 #A1188A #8AA118

tetradic

#188AA1 #7418A1 #A12F18 #46A118

square

#188AA1 #7418A1 #A12F18 #46A118

split-complementary

#188AA1 #A11846 #A17418

monochromatic

#082F36 #105C6C #188AA1 #20B8D6 #4FCCE5

Accessibility & contrast

On white

4.05

#188AA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#188AA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188AA1

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188AA1	#FFFFFF	#000000	##000000
##188AA1	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A85A2

Deuteranopia (green-blind)

#6979A1

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #188aa1;
/* rgb */ color: rgb(24, 138, 161);
/* oklch */ color: oklch(58.5% 0.099 215.9);

Tailwind

colors: {
  custom: {
    50: '#71acbc',
    500: '#188aa1',
    950: '#000000',
  },
}

SCSS

$custom: #188aa1;
$custom-light: #71acbc;
$custom-dark: #000000;

JSON

{
  "hex": "#188aa1",
  "rgb": {
    "r": 24,
    "g": 138,
    "b": 161
  },
  "hsl": {
    "h": 190.073,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.58527,
    "c": 0.09872,
    "h": 215.9
  },
  "luminance": 0.20944
}

Semantic roles & 50–950 ramp

primary

#188AA1

secondary

#C7624E

accent

#5637F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #188AA1

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

Preview Lab → · Contrast checker → · Palette generator →