#1B585F#1B585F

#1B585F is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.5% C 0.062 H 206.0°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B585F
RGB	rgb(27, 88, 95)
HSL	hsl(186, 56%, 24%)
HSV	hsv(186, 72%, 37%)
CMYK	cmyk(71.6%, 7.4%, 0%, 62.7%)
CIE-LAB	lab(34.06, -16.63, -9.73)
CIE-LCH	lch(34.06, 19.27, 210.34°)
OKLab	oklab(42.52% -0.0554 -0.027)
OKLCH	oklch(42.52% 0.062 206)
XYZ	xyz(6.0064, 8.0380, 12.0592)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B585F #5F221B

analogous

#1B5F44 #1B585F #1B365F

triadic

#1B585F #5F1B58 #585F1B

tetradic

#1B585F #441B5F #5F221B #365F1B

square

#1B585F #441B5F #5F221B #365F1B

split-complementary

#1B585F #5F1B36 #5F441B

monochromatic

#071618 #0D2C2F #1B585F #29848F #36B0BE

Accessibility & contrast

On white

8.05

#1B585F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1B585F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B585F

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B585F	#FFFFFF	#000000	##FFFFFF
##1B585F	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50545F

Deuteranopia (green-blind)

#464D5F

Tritanopia (blue-blind)

#005C5A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b585f;
/* rgb */ color: rgb(27, 88, 95);
/* oklch */ color: oklch(42.5% 0.062 206.0);

Tailwind

colors: {
  custom: {
    50: '#62878c',
    500: '#1b585f',
    950: '#000000',
  },
}

SCSS

$custom: #1b585f;
$custom-light: #62878c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b585f",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 95
  },
  "hsl": {
    "h": 186.176,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.42517,
    "c": 0.06167,
    "h": 206
  },
  "luminance": 0.08039
}

Semantic roles & 50–950 ramp

primary

#1B585F

secondary

#954A41

accent

#5849DF

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #1B585F

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

Preview Lab → · Contrast checker → · Palette generator →