#1B4E52#1B4E52

#1B4E52 is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.2% C 0.054 H 202.4°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E52
RGB	rgb(27, 78, 82)
HSL	hsl(184, 50%, 21%)
HSV	hsv(184, 67%, 32%)
CMYK	cmyk(67.1%, 4.9%, 0%, 67.8%)
CIE-LAB	lab(30.13, -15.35, -7.41)
CIE-LCH	lch(30.13, 17.04, 205.77°)
OKLab	oklab(39.19% -0.0497 -0.0205)
OKLCH	oklch(39.19% 0.054 202.4)
XYZ	xyz(4.6987, 6.2905, 8.9476)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E52 #521F1B

analogous

#1B523B #1B4E52 #1B3352

triadic

#1B4E52 #521B4E #4E521B

tetradic

#1B4E52 #3B1B52 #521F1B #33521B

square

#1B4E52 #3B1B52 #521F1B #33521B

split-complementary

#1B4E52 #521B33 #523B1B

monochromatic

#081617 #0C2224 #1B4E52 #2A7A80 #39A6AE

Accessibility & contrast

On white

9.30

#1B4E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1B4E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E52

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E52	#FFFFFF	#000000	##FFFFFF
##1B4E52	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484B52

Deuteranopia (green-blind)

#3F4452

Tritanopia (blue-blind)

#00514F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4e52;
/* rgb */ color: rgb(27, 78, 82);
/* oklch */ color: oklch(39.2% 0.054 202.4);

Tailwind

colors: {
  custom: {
    50: '#5f7f82',
    500: '#1b4e52',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e52;
$custom-light: #5f7f82;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e52",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 82
  },
  "hsl": {
    "h": 184.364,
    "s": 50.459,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39186,
    "c": 0.05381,
    "h": 202.4
  },
  "luminance": 0.06291
}

Semantic roles & 50–950 ramp

primary

#1B4E52

secondary

#884641

accent

#584EDA

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1B4E52

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

Preview Lab → · Contrast checker → · Palette generator →