#1B545C#1B545C

#1B545C is a dark, muted teal. Relative luminance 0.073; OKLCH L 41.3% C 0.059 H 208.2°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B545C
RGB	rgb(27, 84, 92)
HSL	hsl(187, 55%, 23%)
HSV	hsv(187, 71%, 36%)
CMYK	cmyk(70.7%, 8.7%, 0%, 63.9%)
CIE-LAB	lab(32.58, -15.39, -10.08)
CIE-LCH	lch(32.58, 18.39, 213.24°)
OKLab	oklab(41.29% -0.0522 -0.028)
OKLCH	oklch(41.29% 0.059 208.2)
XYZ	xyz(5.5533, 7.3458, 11.2483)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B545C #5C231B

analogous

#1B5C43 #1B545C #1B335C

triadic

#1B545C #5C1B54 #545C1B

tetradic

#1B545C #431B5C #5C231B #335C1B

square

#1B545C #431B5C #5C231B #335C1B

split-complementary

#1B545C #5C1B33 #5C431B

monochromatic

#071618 #0D292D #1B545C #297F8B #37AABB

Accessibility & contrast

On white

8.50

#1B545C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1B545C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B545C

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B545C	#FFFFFF	#000000	##FFFFFF
##1B545C	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C515D

Deuteranopia (green-blind)

#434A5C

Tritanopia (blue-blind)

#005856

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b545c;
/* rgb */ color: rgb(27, 84, 92);
/* oklch */ color: oklch(41.3% 0.059 208.2);

Tailwind

colors: {
  custom: {
    50: '#61848a',
    500: '#1b545c',
    950: '#000000',
  },
}

SCSS

$custom: #1b545c;
$custom-light: #61848a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b545c",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 92
  },
  "hsl": {
    "h": 187.385,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.41285,
    "c": 0.0592,
    "h": 208.2
  },
  "luminance": 0.07346
}

Semantic roles & 50–950 ramp

primary

#1B545C

secondary

#924B41

accent

#5C4ADE

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #1B545C

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

Preview Lab → · Contrast checker → · Palette generator →