#1B708B#1B708B

#1B708B is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 50.9% C 0.087 H 224.5°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#1B708B
RGB	rgb(27, 112, 139)
HSL	hsl(194, 67%, 33%)
HSV	hsv(194, 81%, 55%)
CMYK	cmyk(80.6%, 19.4%, 0%, 45.5%)
CIE-LAB	lab(43.78, -14.70, -21.79)
CIE-LCH	lch(43.78, 26.28, 235.99°)
OKLab	oklab(50.92% -0.0623 -0.0611)
OKLCH	oklch(50.92% 0.087 224.5)
XYZ	xyz(10.9044, 13.6841, 26.4877)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B708B #8B361B

analogous

#1B8B6E #1B708B #1B388B

triadic

#1B708B #8B1B70 #708B1B

tetradic

#1B708B #6E1B8B #8B361B #388B1B

square

#1B708B #6E1B8B #8B361B #388B1B

split-complementary

#1B708B #8B1B38 #8B6E1B

monochromatic

#071D25 #114758 #1B708B #2599BE #45B7DB

Accessibility & contrast

On white

5.62

#1B708B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#1B708B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B708B

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B708B	#FFFFFF	#000000	##FFFFFF
##1B708B	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616D8C

Deuteranopia (green-blind)

#52638B

Tritanopia (blue-blind)

#007879

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #1b708b;
/* rgb */ color: rgb(27, 112, 139);
/* oklch */ color: oklch(50.9% 0.087 224.5);

Tailwind

colors: {
  custom: {
    50: '#6b99ad',
    500: '#1b708b',
    950: '#000000',
  },
}

SCSS

$custom: #1b708b;
$custom-light: #6b99ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1b708b",
  "rgb": {
    "r": 27,
    "g": 112,
    "b": 139
  },
  "hsl": {
    "h": 194.464,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5092,
    "c": 0.08725,
    "h": 224.5
  },
  "luminance": 0.13685
}

Semantic roles & 50–950 ramp

primary

#1B708B

secondary

#BC6245

accent

#673DEA

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #1B708B

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

Preview Lab → · Contrast checker → · Palette generator →