#1B615B#1B615B

#1B615B is a dark, moderate teal. Relative luminance 0.095; OKLCH L 44.9% C 0.068 H 186.8°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B615B
RGB	rgb(27, 97, 91)
HSL	hsl(175, 56%, 24%)
HSV	hsv(175, 72%, 38%)
CMYK	cmyk(72.2%, 0%, 6.2%, 62%)
CIE-LAB	lab(37.00, -22.78, -2.85)
CIE-LCH	lch(37.00, 22.96, 187.14°)
OKLab	oklab(44.85% -0.0679 -0.0081)
OKLCH	oklch(44.85% 0.068 186.8)
XYZ	xyz(6.6141, 9.5370, 11.3877)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B615B #611B21

analogous

#1B6138 #1B615B #1B4461

triadic

#1B615B #5B1B61 #615B1B

tetradic

#1B615B #381B61 #611B21 #44611B

square

#1B615B #381B61 #611B21 #44611B

split-complementary

#1B615B #611B44 #61381B

monochromatic

#071816 #0E312E #1B615B #289188 #36C1B5

Accessibility & contrast

On white

7.22

#1B615B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#1B615B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B615B

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B615B	#FFFFFF	#000000	##FFFFFF
##1B615B	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5B5B

Deuteranopia (green-blind)

#51545C

Tritanopia (blue-blind)

#00635F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b615b;
/* rgb */ color: rgb(27, 97, 91);
/* oklch */ color: oklch(44.9% 0.068 186.8);

Tailwind

colors: {
  custom: {
    50: '#638e89',
    500: '#1b615b',
    950: '#000000',
  },
}

SCSS

$custom: #1b615b;
$custom-light: #638e89;
$custom-dark: #000000;

JSON

{
  "hex": "#1b615b",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 91
  },
  "hsl": {
    "h": 174.857,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.4485,
    "c": 0.06834,
    "h": 186.8
  },
  "luminance": 0.09538
}

Semantic roles & 50–950 ramp

primary

#1B615B

secondary

#974149

accent

#4855E0

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #1B615B

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

Preview Lab → · Contrast checker → · Palette generator →