#187A8E#187A8E

#187A8E is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.6% C 0.089 H 215.6°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#187A8E
RGB	rgb(24, 122, 142)
HSL	hsl(190, 71%, 33%)
HSV	hsv(190, 83%, 56%)
CMYK	cmyk(83.1%, 14.1%, 0%, 44.3%)
CIE-LAB	lab(47.06, -19.47, -18.53)
CIE-LCH	lch(47.06, 26.88, 223.57°)
OKLab	oklab(53.58% -0.0722 -0.0518)
OKLCH	oklch(53.58% 0.089 215.6)
XYZ	xyz(12.2166, 16.0647, 28.0429)
Luminance	0.1607 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187A8E #8E2C18

analogous

#188E67 #187A8E #183F8E

triadic

#187A8E #8E187A #7A8E18

tetradic

#187A8E #67188E #8E2C18 #3F8E18

square

#187A8E #67188E #8E2C18 #3F8E18

split-complementary

#187A8E #8E183F #8E6718

monochromatic

#062025 #0F4D5A #187A8E #21A7C2 #41C4DF

Accessibility & contrast

On white

4.98

#187A8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#187A8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187A8E

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187A8E	#FFFFFF	#000000	##FFFFFF
##187A8E	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C768F

Deuteranopia (green-blind)

#5D6B8E

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #187a8e;
/* rgb */ color: rgb(24, 122, 142);
/* oklch */ color: oklch(53.6% 0.089 215.6);

Tailwind

colors: {
  custom: {
    50: '#6ca0af',
    500: '#187a8e',
    950: '#000000',
  },
}

SCSS

$custom: #187a8e;
$custom-light: #6ca0af;
$custom-dark: #000000;

JSON

{
  "hex": "#187a8e",
  "rgb": {
    "r": 24,
    "g": 122,
    "b": 142
  },
  "hsl": {
    "h": 190.169,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.53584,
    "c": 0.08885,
    "h": 215.6
  },
  "luminance": 0.16066
}

Semantic roles & 50–950 ramp

primary

#187A8E

secondary

#C05742

accent

#583AEE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #187A8E

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

Preview Lab → · Contrast checker → · Palette generator →