#1C555B#1C555B

#1C555B is a dark, muted teal. Relative luminance 0.075; OKLCH L 41.6% C 0.059 H 205.0°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C555B
RGB	rgb(28, 85, 91)
HSL	hsl(186, 53%, 23%)
HSV	hsv(186, 69%, 36%)
CMYK	cmyk(69.2%, 6.6%, 0%, 64.3%)
CIE-LAB	lab(32.92, -16.11, -8.94)
CIE-LCH	lch(32.92, 18.43, 209.03°)
OKLab	oklab(41.55% -0.0532 -0.0248)
OKLCH	oklch(41.55% 0.059 205)
XYZ	xyz(5.6149, 7.4986, 11.0470)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C555B #5B221C

analogous

#1C5B41 #1C555B #1C355B

triadic

#1C555B #5B1C55 #555B1C

tetradic

#1C555B #411C5B #5B221C #355B1C

square

#1C555B #411C5B #5B221C #355B1C

split-complementary

#1C555B #5B1C35 #5B411C

monochromatic

#071617 #0E292C #1C555B #2A818A #39ACB9

Accessibility & contrast

On white

8.40

#1C555B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1C555B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C555B

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C555B	#FFFFFF	#000000	##FFFFFF
##1C555B	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E515B

Deuteranopia (green-blind)

#444A5B

Tritanopia (blue-blind)

#005957

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c555b;
/* rgb */ color: rgb(28, 85, 91);
/* oklch */ color: oklch(41.6% 0.059 205.0);

Tailwind

colors: {
  custom: {
    50: '#618589',
    500: '#1c555b',
    950: '#000000',
  },
}

SCSS

$custom: #1c555b;
$custom-light: #618589;
$custom-dark: #000000;

JSON

{
  "hex": "#1c555b",
  "rgb": {
    "r": 28,
    "g": 85,
    "b": 91
  },
  "hsl": {
    "h": 185.714,
    "s": 52.941,
    "l": 23.333
  },
  "oklch": {
    "l": 0.41551,
    "c": 0.05873,
    "h": 205
  },
  "luminance": 0.07499
}

Semantic roles & 50–950 ramp

primary

#1C555B

secondary

#904A42

accent

#594BDC

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #1C555B

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

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