#1B5E72#1B5E72

#1B5E72 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.0% C 0.072 H 222.0°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#1B5E72
RGB	rgb(27, 94, 114)
HSL	hsl(194, 62%, 28%)
HSV	hsv(194, 76%, 45%)
CMYK	cmyk(76.3%, 17.5%, 0%, 55.3%)
CIE-LAB	lab(36.84, -13.39, -17.31)
CIE-LCH	lch(36.84, 21.89, 232.28°)
OKLab	oklab(45.01% -0.0537 -0.0484)
OKLCH	oklch(45.01% 0.072 222)
XYZ	xyz(7.4907, 9.4524, 17.3460)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5E72 #722F1B

analogous

#1B725A #1B5E72 #1B3372

triadic

#1B5E72 #721B5E #5E721B

tetradic

#1B5E72 #5A1B72 #722F1B #33721B

square

#1B5E72 #5A1B72 #722F1B #33721B

split-complementary

#1B5E72 #721B33 #725A1B

monochromatic

#061419 #0F3541 #1B5E72 #2787A3 #38ADD0

Accessibility & contrast

On white

7.26

#1B5E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1B5E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E72

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5E72	#FFFFFF	#000000	##FFFFFF
##1B5E72	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525C73

Deuteranopia (green-blind)

#465372

Tritanopia (blue-blind)

#006464

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b5e72;
/* rgb */ color: rgb(27, 94, 114);
/* oklch */ color: oklch(45.0% 0.072 222.0);

Tailwind

colors: {
  custom: {
    50: '#658b9a',
    500: '#1b5e72',
    950: '#000000',
  },
}

SCSS

$custom: #1b5e72;
$custom-light: #658b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5e72",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 114
  },
  "hsl": {
    "h": 193.793,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.45006,
    "c": 0.0723,
    "h": 222
  },
  "luminance": 0.09453
}

Semantic roles & 50–950 ramp

primary

#1B5E72

secondary

#A75942

accent

#6843E5

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#060C0E

muted

#7A7D7E

Preview Lab

Preview with #1B5E72

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

Preview Lab → · Contrast checker → · Palette generator →