#1B5E5E#1B5E5E

#1B5E5E is a dark, moderate teal. Relative luminance 0.090; OKLCH L 44.1% C 0.065 H 195.0°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#1B5E5E
RGB	rgb(27, 94, 94)
HSL	hsl(180, 55%, 24%)
HSV	hsv(180, 71%, 37%)
CMYK	cmyk(71.3%, 0%, 0%, 63.1%)
CIE-LAB	lab(36.07, -20.25, -6.09)
CIE-LCH	lch(36.07, 21.15, 196.73°)
OKLab	oklab(44.13% -0.0629 -0.0169)
OKLCH	oklch(44.13% 0.065 195)
XYZ	xyz(6.4742, 9.0458, 11.9923)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5E5E #5E1B1B

analogous

#1B5E3C #1B5E5E #1B3C5E

triadic

#1B5E5E #5E1B5E #5E5E1B

tetradic

#1B5E5E #3C1B5E #5E1B1B #3C5E1B

square

#1B5E5E #3C1B5E #5E1B1B #3C5E1B

split-complementary

#1B5E5E #5E1B3C #5E3C1B

monochromatic

#071818 #0D2E2E #1B5E5E #298E8E #36BDBD

Accessibility & contrast

On white

7.47

#1B5E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#1B5E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E5E

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5E5E	#FFFFFF	#000000	##FFFFFF
##1B5E5E	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58595E

Deuteranopia (green-blind)

#4D525E

Tritanopia (blue-blind)

#00615E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1b5e5e;
/* rgb */ color: rgb(27, 94, 94);
/* oklch */ color: oklch(44.1% 0.065 195.0);

Tailwind

colors: {
  custom: {
    50: '#638c8b',
    500: '#1b5e5e',
    950: '#000000',
  },
}

SCSS

$custom: #1b5e5e;
$custom-light: #638c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5e5e",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 94
  },
  "hsl": {
    "h": 180,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.44131,
    "c": 0.06512,
    "h": 195
  },
  "luminance": 0.09047
}

Semantic roles & 50–950 ramp

primary

#1B5E5E

secondary

#944141

accent

#4949DF

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #1B5E5E

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

Preview Lab → · Contrast checker → · Palette generator →