#1B789D#1B789D

#1B789D is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.8% C 0.100 H 230.6°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B789D
RGB	rgb(27, 120, 157)
HSL	hsl(197, 71%, 36%)
HSV	hsv(197, 83%, 62%)
CMYK	cmyk(82.8%, 23.6%, 0%, 38.4%)
CIE-LAB	lab(47.10, -12.73, -27.29)
CIE-LCH	lch(47.10, 30.11, 244.99°)
OKLab	oklab(53.84% -0.0632 -0.0769)
OKLCH	oklch(53.84% 0.1 230.6)
XYZ	xyz(13.2518, 16.0986, 34.3007)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B789D #9D401B

analogous

#1B9D81 #1B789D #1B379D

triadic

#1B789D #9D1B78 #789D1B

tetradic

#1B789D #811B9D #9D401B #379D1B

square

#1B789D #811B9D #9D401B #379D1B

split-complementary

#1B789D #9D1B37 #9D811B

monochromatic

#092835 #125069 #1B789D #24A0D1 #51B8E1

Accessibility & contrast

On white

4.98

#1B789D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#1B789D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B789D

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B789D	#FFFFFF	#000000	##FFFFFF
##1B789D	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#65769F

Deuteranopia (green-blind)

#546A9C

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #1b789d;
/* rgb */ color: rgb(27, 120, 157);
/* oklch */ color: oklch(53.8% 0.100 230.6);

Tailwind

colors: {
  custom: {
    50: '#6f9fba',
    500: '#1b789d',
    950: '#000000',
  },
}

SCSS

$custom: #1b789d;
$custom-light: #6f9fba;
$custom-dark: #000000;

JSON

{
  "hex": "#1b789d",
  "rgb": {
    "r": 27,
    "g": 120,
    "b": 157
  },
  "hsl": {
    "h": 197.077,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.53843,
    "c": 0.09953,
    "h": 230.6
  },
  "luminance": 0.161
}

Semantic roles & 50–950 ramp

primary

#1B789D

secondary

#C47150

accent

#6D3AED

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #1B789D

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

Preview Lab → · Contrast checker → · Palette generator →