#153644#153644

#153644 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.5% C 0.046 H 228.6°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#153644
RGB	rgb(21, 54, 68)
HSL	hsl(198, 53%, 17%)
HSV	hsv(198, 69%, 27%)
CMYK	cmyk(69.1%, 20.6%, 0%, 73.3%)
CIE-LAB	lab(20.88, -6.97, -12.29)
CIE-LCH	lch(20.88, 14.13, 240.46°)
OKLab	oklab(31.51% -0.0302 -0.0343)
OKLCH	oklch(31.51% 0.046 228.6)
XYZ	xyz(2.6714, 3.2149, 5.9475)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153644 #442315

analogous

#15443A #153644 #151F44

triadic

#153644 #441536 #364415

tetradic

#153644 #3A1544 #442315 #1F4415

square

#153644 #3A1544 #442315 #1F4415

split-complementary

#153644 #44151F #443A15

monochromatic

#071317 #071317 #153644 #235B73 #3280A2

Accessibility & contrast

On white

12.78

#153644 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#153644 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153644

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153644	#FFFFFF	#000000	##FFFFFF
##153644	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3545

Deuteranopia (green-blind)

#283044

Tritanopia (blue-blind)

#003A3B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #153644;
/* rgb */ color: rgb(21, 54, 68);
/* oklch */ color: oklch(31.5% 0.046 228.6);

Tailwind

colors: {
  custom: {
    50: '#586d78',
    500: '#153644',
    950: '#000000',
  },
}

SCSS

$custom: #153644;
$custom-light: #586d78;
$custom-dark: #000000;

JSON

{
  "hex": "#153644",
  "rgb": {
    "r": 21,
    "g": 54,
    "b": 68
  },
  "hsl": {
    "h": 197.872,
    "s": 52.809,
    "l": 17.451
  },
  "oklch": {
    "l": 0.31507,
    "c": 0.04574,
    "h": 228.6
  },
  "luminance": 0.03215
}

Semantic roles & 50–950 ramp

primary

#153644

secondary

#7C4D39

accent

#774CDC

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #153644

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

Preview Lab → · Contrast checker → · Palette generator →