#1B728E#1B728E

#1B728E is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.6% C 0.089 H 224.9°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B728E
RGB	rgb(27, 114, 142)
HSL	hsl(195, 68%, 33%)
HSV	hsv(195, 81%, 56%)
CMYK	cmyk(81%, 19.7%, 0%, 44.3%)
CIE-LAB	lab(44.55, -14.75, -22.39)
CIE-LCH	lch(44.55, 26.81, 236.61°)
OKLab	oklab(51.58% -0.0631 -0.0628)
OKLCH	oklch(51.58% 0.089 224.9)
XYZ	xyz(11.3498, 14.2192, 27.7323)
Luminance	0.1422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B728E #8E371B

analogous

#1B8E70 #1B728E #1B388E

triadic

#1B728E #8E1B72 #728E1B

tetradic

#1B728E #701B8E #8E371B #388E1B

square

#1B728E #701B8E #8E371B #388E1B

split-complementary

#1B728E #8E1B38 #8E701B

monochromatic

#071F27 #11495B #1B728E #259BC1 #47B8DC

Accessibility & contrast

On white

5.46

#1B728E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#1B728E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B728E

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B728E	#FFFFFF	#000000	##FFFFFF
##1B728E	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#626F8F

Deuteranopia (green-blind)

#53658E

Tritanopia (blue-blind)

#007A7B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1b728e;
/* rgb */ color: rgb(27, 114, 142);
/* oklch */ color: oklch(51.6% 0.089 224.9);

Tailwind

colors: {
  custom: {
    50: '#6c9aaf',
    500: '#1b728e',
    950: '#000000',
  },
}

SCSS

$custom: #1b728e;
$custom-light: #6c9aaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b728e",
  "rgb": {
    "r": 27,
    "g": 114,
    "b": 142
  },
  "hsl": {
    "h": 194.609,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.51579,
    "c": 0.08904,
    "h": 224.9
  },
  "luminance": 0.14221
}

Semantic roles & 50–950 ramp

primary

#1B728E

secondary

#BE6447

accent

#673DEB

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #1B728E

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

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