#1B545D#1B545D

#1B545D is a dark, muted teal. Relative luminance 0.074; OKLCH L 41.3% C 0.060 H 209.8°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#1B545D
RGB	rgb(27, 84, 93)
HSL	hsl(188, 55%, 24%)
HSV	hsv(188, 71%, 36%)
CMYK	cmyk(71%, 9.7%, 0%, 63.5%)
CIE-LAB	lab(32.62, -15.04, -10.66)
CIE-LCH	lch(32.62, 18.43, 215.32°)
OKLab	oklab(41.33% -0.0517 -0.0296)
OKLCH	oklch(41.33% 0.06 209.8)
XYZ	xyz(5.5973, 7.3634, 11.4801)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B545D #5D241B

analogous

#1B5D45 #1B545D #1B335D

triadic

#1B545D #5D1B54 #545D1B

tetradic

#1B545D #451B5D #5D241B #335D1B

square

#1B545D #451B5D #5D241B #335D1B

split-complementary

#1B545D #5D1B33 #5D451B

monochromatic

#071518 #0D292E #1B545D #297F8C #37AABC

Accessibility & contrast

On white

8.49

#1B545D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1B545D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B545D

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B545D	#FFFFFF	#000000	##FFFFFF
##1B545D	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C515E

Deuteranopia (green-blind)

#434A5D

Tritanopia (blue-blind)

#005857

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b545d;
/* rgb */ color: rgb(27, 84, 93);
/* oklch */ color: oklch(41.3% 0.060 209.8);

Tailwind

colors: {
  custom: {
    50: '#61848a',
    500: '#1b545d',
    950: '#000000',
  },
}

SCSS

$custom: #1b545d;
$custom-light: #61848a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b545d",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 93
  },
  "hsl": {
    "h": 188.182,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.41329,
    "c": 0.05957,
    "h": 209.8
  },
  "luminance": 0.07364
}

Semantic roles & 50–950 ramp

primary

#1B545D

secondary

#934C41

accent

#5E49DE

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #1B545D

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

Preview Lab → · Contrast checker → · Palette generator →