#1687B4#1687B4

#1687B4 is a mid, moderate cyan. Relative luminance 0.208; OKLCH L 58.6% C 0.114 H 232.0°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#1687B4
RGB	rgb(22, 135, 180)
HSL	hsl(197, 78%, 40%)
HSV	hsv(197, 88%, 71%)
CMYK	cmyk(87.8%, 25%, 0%, 29.4%)
CIE-LAB	lab(52.72, -13.23, -31.89)
CIE-LCH	lch(52.72, 34.52, 247.46°)
OKLab	oklab(58.65% -0.0704 -0.09)
OKLCH	oklch(58.65% 0.114 232)
XYZ	xyz(17.2297, 20.7916, 46.2762)
Luminance	0.2079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1687B4 #B44316

analogous

#16B492 #1687B4 #1638B4

triadic

#1687B4 #B41687 #87B416

tetradic

#1687B4 #9216B4 #B44316 #38B416

square

#1687B4 #9216B4 #B44316 #38B416

split-complementary

#1687B4 #B41638 #B49216

monochromatic

#093547 #0F5E7D #1687B4 #23ADE4 #5AC1EB

Accessibility & contrast

On white

4.07

#1687B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#1687B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1687B4

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1687B4	#FFFFFF	#000000	##000000
##1687B4	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7086B6

Deuteranopia (green-blind)

#5C78B3

Tritanopia (blue-blind)

#009396

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1687b4;
/* rgb */ color: rgb(22, 135, 180);
/* oklch */ color: oklch(58.6% 0.114 232.0);

Tailwind

colors: {
  custom: {
    50: '#73aaca',
    500: '#1687b4',
    950: '#000000',
  },
}

SCSS

$custom: #1687b4;
$custom-light: #73aaca;
$custom-dark: #000000;

JSON

{
  "hex": "#1687b4",
  "rgb": {
    "r": 22,
    "g": 135,
    "b": 180
  },
  "hsl": {
    "h": 197.089,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.58649,
    "c": 0.11427,
    "h": 232
  },
  "luminance": 0.20794
}

Semantic roles & 50–950 ramp

primary

#1687B4

secondary

#CE7958

accent

#6A33F5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1687B4

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

Preview Lab → · Contrast checker → · Palette generator →