#1789A0#1789A0

#1789A0 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.2% C 0.098 H 216.0°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#1789A0
RGB	rgb(23, 137, 160)
HSL	hsl(190, 75%, 36%)
HSV	hsv(190, 86%, 63%)
CMYK	cmyk(85.6%, 14.4%, 0%, 37.3%)
CIE-LAB	lab(52.52, -21.34, -20.68)
CIE-LCH	lch(52.52, 29.72, 224.09°)
OKLab	oklab(58.22% -0.0797 -0.0578)
OKLCH	oklch(58.22% 0.098 216)
XYZ	xyz(15.6414, 20.6095, 36.4045)
Luminance	0.2061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1789A0 #A02E17

analogous

#17A072 #1789A0 #1744A0

triadic

#1789A0 #A01789 #89A017

tetradic

#1789A0 #7217A0 #A02E17 #44A017

square

#1789A0 #7217A0 #A02E17 #44A017

split-complementary

#1789A0 #A01744 #A07217

monochromatic

#082D35 #0F5B6A #1789A0 #1FB7D6 #4CCCE5

Accessibility & contrast

On white

4.10

#1789A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#1789A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1789A0

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1789A0	#FFFFFF	#000000	##000000
##1789A0	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7984A1

Deuteranopia (green-blind)

#6878A0

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #1789a0;
/* rgb */ color: rgb(23, 137, 160);
/* oklch */ color: oklch(58.2% 0.098 216.0);

Tailwind

colors: {
  custom: {
    50: '#70abbc',
    500: '#1789a0',
    950: '#000000',
  },
}

SCSS

$custom: #1789a0;
$custom-light: #70abbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1789a0",
  "rgb": {
    "r": 23,
    "g": 137,
    "b": 160
  },
  "hsl": {
    "h": 190.073,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.58215,
    "c": 0.09848,
    "h": 216
  },
  "luminance": 0.20612
}

Semantic roles & 50–950 ramp

primary

#1789A0

secondary

#C7604C

accent

#5636F1

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1789A0

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

Preview Lab → · Contrast checker → · Palette generator →