#187FB4#187FB4

#187FB4 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.7% C 0.119 H 238.2°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#187FB4
RGB	rgb(24, 127, 180)
HSL	hsl(200, 76%, 40%)
HSV	hsv(200, 87%, 71%)
CMYK	cmyk(86.7%, 29.4%, 0%, 29.4%)
CIE-LAB	lab(50.29, -8.52, -35.68)
CIE-LCH	lch(50.29, 36.69, 256.57°)
OKLab	oklab(56.72% -0.0626 -0.1011)
OKLCH	oklch(56.72% 0.119 238.2)
XYZ	xyz(16.2010, 18.6661, 45.9202)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187FB4 #B44D18

analogous

#18B49B #187FB4 #1831B4

triadic

#187FB4 #B4187F #7FB418

tetradic

#187FB4 #9B18B4 #B44D18 #31B418

square

#187FB4 #9B18B4 #B44D18 #31B418

split-complementary

#187FB4 #B41831 #B49B18

monochromatic

#0A3348 #11597E #187FB4 #27A3E2 #5DBAE9

Accessibility & contrast

On white

4.44

#187FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#187FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #187FB4

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187FB4	#FFFFFF	#000000	##000000
##187FB4	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657FB6

Deuteranopia (green-blind)

#5172B3

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #187fb4;
/* rgb */ color: rgb(24, 127, 180);
/* oklch */ color: oklch(56.7% 0.119 238.2);

Tailwind

colors: {
  custom: {
    50: '#73a4ca',
    500: '#187fb4',
    950: '#000000',
  },
}

SCSS

$custom: #187fb4;
$custom-light: #73a4ca;
$custom-dark: #000000;

JSON

{
  "hex": "#187fb4",
  "rgb": {
    "r": 24,
    "g": 127,
    "b": 180
  },
  "hsl": {
    "h": 200.385,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.56723,
    "c": 0.11898,
    "h": 238.2
  },
  "luminance": 0.18668
}

Semantic roles & 50–950 ramp

primary

#187FB4

secondary

#CD825B

accent

#7535F3

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #187FB4

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

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