#1B708F#1B708F

#1B708F is a mid, moderate cyan. Relative luminance 0.138; OKLCH L 51.1% C 0.091 H 227.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B708F
RGB	rgb(27, 112, 143)
HSL	hsl(196, 68%, 33%)
HSV	hsv(196, 81%, 56%)
CMYK	cmyk(81.1%, 21.7%, 0%, 43.9%)
CIE-LAB	lab(43.95, -13.26, -23.91)
CIE-LCH	lch(43.95, 27.34, 240.99°)
OKLab	oklab(51.12% -0.0607 -0.0672)
OKLCH	oklch(51.12% 0.091 227.9)
XYZ	xyz(11.2020, 13.8031, 28.0551)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B708F #8F3A1B

analogous

#1B8F74 #1B708F #1B368F

triadic

#1B708F #8F1B70 #708F1B

tetradic

#1B708F #741B8F #8F3A1B #368F1B

square

#1B708F #741B8F #8F3A1B #368F1B

split-complementary

#1B708F #8F1B36 #8F741B

monochromatic

#081F28 #11485C #1B708F #2598C2 #48B5DC

Accessibility & contrast

On white

5.58

#1B708F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#1B708F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B708F

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B708F	#FFFFFF	#000000	##FFFFFF
##1B708F	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606E91

Deuteranopia (green-blind)

#50638F

Tritanopia (blue-blind)

#00797A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #1b708f;
/* rgb */ color: rgb(27, 112, 143);
/* oklch */ color: oklch(51.1% 0.091 227.9);

Tailwind

colors: {
  custom: {
    50: '#6c99b0',
    500: '#1b708f',
    950: '#000000',
  },
}

SCSS

$custom: #1b708f;
$custom-light: #6c99b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b708f",
  "rgb": {
    "r": 27,
    "g": 112,
    "b": 143
  },
  "hsl": {
    "h": 196.034,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.51115,
    "c": 0.09055,
    "h": 227.9
  },
  "luminance": 0.13805
}

Semantic roles & 50–950 ramp

primary

#1B708F

secondary

#BE6748

accent

#6B3DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #1B708F

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

Preview Lab → · Contrast checker → · Palette generator →