#1B5D72#1B5D72

#1B5D72 is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.7% C 0.072 H 223.5°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B5D72
RGB	rgb(27, 93, 114)
HSL	hsl(194, 62%, 28%)
HSV	hsv(194, 76%, 45%)
CMYK	cmyk(76.3%, 18.4%, 0%, 55.3%)
CIE-LAB	lab(36.51, -12.81, -17.82)
CIE-LCH	lch(36.51, 21.95, 234.29°)
OKLab	oklab(44.74% -0.0526 -0.0499)
OKLCH	oklch(44.74% 0.072 223.5)
XYZ	xyz(7.4024, 9.2758, 17.3166)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5D72 #72301B

analogous

#1B725C #1B5D72 #1B3172

triadic

#1B5D72 #721B5D #5D721B

tetradic

#1B5D72 #5C1B72 #72301B #31721B

square

#1B5D72 #5C1B72 #72301B #31721B

split-complementary

#1B5D72 #721B31 #725C1B

monochromatic

#061419 #0F3541 #1B5D72 #2785A3 #38ABD0

Accessibility & contrast

On white

7.35

#1B5D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1B5D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D72

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5D72	#FFFFFF	#000000	##FFFFFF
##1B5D72	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515B73

Deuteranopia (green-blind)

#455272

Tritanopia (blue-blind)

#006364

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1b5d72;
/* rgb */ color: rgb(27, 93, 114);
/* oklch */ color: oklch(44.7% 0.072 223.5);

Tailwind

colors: {
  custom: {
    50: '#658b9a',
    500: '#1b5d72',
    950: '#000000',
  },
}

SCSS

$custom: #1b5d72;
$custom-light: #658b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5d72",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 114
  },
  "hsl": {
    "h": 194.483,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.4474,
    "c": 0.07248,
    "h": 223.5
  },
  "luminance": 0.09277
}

Semantic roles & 50–950 ramp

primary

#1B5D72

secondary

#A75A42

accent

#6A43E5

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #1B5D72

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

Preview Lab → · Contrast checker → · Palette generator →