#1B4E54#1B4E54

#1B4E54 is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.3% C 0.054 H 206.0°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E54
RGB	rgb(27, 78, 84)
HSL	hsl(186, 51%, 22%)
HSV	hsv(186, 68%, 33%)
CMYK	cmyk(67.9%, 7.1%, 0%, 67.1%)
CIE-LAB	lab(30.21, -14.67, -8.58)
CIE-LCH	lch(30.21, 17.00, 210.31°)
OKLab	oklab(39.27% -0.0488 -0.0238)
OKLCH	oklch(39.27% 0.054 206)
XYZ	xyz(4.7759, 6.3214, 9.3542)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E54 #54211B

analogous

#1B543E #1B4E54 #1B3254

triadic

#1B4E54 #541B4E #4E541B

tetradic

#1B4E54 #3E1B54 #54211B #32541B

square

#1B4E54 #3E1B54 #54211B #32541B

split-complementary

#1B4E54 #541B32 #543E1B

monochromatic

#071617 #0C2326 #1B4E54 #2A7982 #39A4B1

Accessibility & contrast

On white

9.27

#1B4E54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1B4E54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E54

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E54	#FFFFFF	#000000	##FFFFFF
##1B4E54	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474B54

Deuteranopia (green-blind)

#3F4454

Tritanopia (blue-blind)

#005150

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4e54;
/* rgb */ color: rgb(27, 78, 84);
/* oklch */ color: oklch(39.3% 0.054 206.0);

Tailwind

colors: {
  custom: {
    50: '#5f7f84',
    500: '#1b4e54',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e54;
$custom-light: #5f7f84;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e54",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 84
  },
  "hsl": {
    "h": 186.316,
    "s": 51.351,
    "l": 21.765
  },
  "oklch": {
    "l": 0.39271,
    "c": 0.05425,
    "h": 206
  },
  "luminance": 0.06322
}

Semantic roles & 50–950 ramp

primary

#1B4E54

secondary

#8A4941

accent

#5C4DDB

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1B4E54

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

Preview Lab → · Contrast checker → · Palette generator →