#1B799F#1B799F

#1B799F is a mid, moderate cyan. Relative luminance 0.164; OKLCH L 54.2% C 0.101 H 231.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B799F
RGB	rgb(27, 121, 159)
HSL	hsl(197, 71%, 36%)
HSV	hsv(197, 83%, 62%)
CMYK	cmyk(83%, 23.9%, 0%, 37.6%)
CIE-LAB	lab(47.51, -12.57, -27.83)
CIE-LCH	lch(47.51, 30.54, 245.69°)
OKLab	oklab(54.19% -0.0635 -0.0784)
OKLCH	oklch(54.19% 0.101 231)
XYZ	xyz(13.5448, 16.4093, 35.2476)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B799F #9F411B

analogous

#1B9F83 #1B799F #1B379F

triadic

#1B799F #9F1B79 #799F1B

tetradic

#1B799F #831B9F #9F411B #379F1B

square

#1B799F #831B9F #9F411B #379F1B

split-complementary

#1B799F #9F1B37 #9F831B

monochromatic

#092936 #12516B #1B799F #24A1D3 #53B9E2

Accessibility & contrast

On white

4.90

#1B799F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#1B799F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B799F

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B799F	#FFFFFF	#000000	##FFFFFF
##1B799F	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6677A1

Deuteranopia (green-blind)

#546B9E

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1b799f;
/* rgb */ color: rgb(27, 121, 159);
/* oklch */ color: oklch(54.2% 0.101 231.0);

Tailwind

colors: {
  custom: {
    50: '#6f9fbb',
    500: '#1b799f',
    950: '#000000',
  },
}

SCSS

$custom: #1b799f;
$custom-light: #6f9fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b799f",
  "rgb": {
    "r": 27,
    "g": 121,
    "b": 159
  },
  "hsl": {
    "h": 197.273,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.54194,
    "c": 0.10088,
    "h": 231
  },
  "luminance": 0.16411
}

Semantic roles & 50–950 ramp

primary

#1B799F

secondary

#C57251

accent

#6E3AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1B799F

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

Preview Lab → · Contrast checker → · Palette generator →