#1B7A9F#1B7A9F

#1B7A9F is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.4% C 0.100 H 230.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B7A9F
RGB	rgb(27, 122, 159)
HSL	hsl(197, 71%, 36%)
HSV	hsv(197, 83%, 62%)
CMYK	cmyk(83%, 23.3%, 0%, 37.6%)
CIE-LAB	lab(47.82, -13.14, -27.34)
CIE-LCH	lch(47.82, 30.34, 244.33°)
OKLab	oklab(54.45% -0.0644 -0.077)
OKLCH	oklch(54.45% 0.1 230.1)
XYZ	xyz(13.6670, 16.6536, 35.2883)
Luminance	0.1666 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7A9F #9F401B

analogous

#1B9F82 #1B7A9F #1B389F

triadic

#1B7A9F #9F1B7A #7A9F1B

tetradic

#1B7A9F #821B9F #9F401B #389F1B

square

#1B7A9F #821B9F #9F401B #389F1B

split-complementary

#1B7A9F #9F1B38 #9F821B

monochromatic

#092A36 #12526B #1B7A9F #24A2D3 #53BAE2

Accessibility & contrast

On white

4.85

#1B7A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#1B7A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7A9F

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7A9F	#FFFFFF	#000000	##FFFFFF
##1B7A9F	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6778A1

Deuteranopia (green-blind)

#566C9E

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1b7a9f;
/* rgb */ color: rgb(27, 122, 159);
/* oklch */ color: oklch(54.4% 0.100 230.1);

Tailwind

colors: {
  custom: {
    50: '#6fa0bb',
    500: '#1b7a9f',
    950: '#000000',
  },
}

SCSS

$custom: #1b7a9f;
$custom-light: #6fa0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7a9f",
  "rgb": {
    "r": 27,
    "g": 122,
    "b": 159
  },
  "hsl": {
    "h": 196.818,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.54445,
    "c": 0.1004,
    "h": 230.1
  },
  "luminance": 0.16655
}

Semantic roles & 50–950 ramp

primary

#1B7A9F

secondary

#C57251

accent

#6C3AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1B7A9F

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

Preview Lab → · Contrast checker → · Palette generator →