#154C5B#154C5B

#154C5B is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 38.8% C 0.061 H 219.9°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#154C5B
RGB	rgb(21, 76, 91)
HSL	hsl(193, 63%, 22%)
HSV	hsv(193, 77%, 36%)
CMYK	cmyk(76.9%, 16.5%, 0%, 64.3%)
CIE-LAB	lab(29.62, -12.07, -13.97)
CIE-LCH	lch(29.62, 18.46, 229.18°)
OKLab	oklab(38.84% -0.0467 -0.039)
OKLCH	oklch(38.84% 0.061 219.9)
XYZ	xyz(4.7812, 6.0831, 10.8177)
Luminance	0.0608 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154C5B #5B2415

analogous

#155B47 #154C5B #15295B

triadic

#154C5B #5B154C #4C5B15

tetradic

#154C5B #47155B #5B2415 #295B15

square

#154C5B #47155B #5B2415 #295B15

split-complementary

#154C5B #5B1529 #5B4715

monochromatic

#061519 #0A2229 #154C5B #20768D #2C9FBE

Accessibility & contrast

On white

9.47

#154C5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#154C5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154C5B

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154C5B	#FFFFFF	#000000	##FFFFFF
##154C5B	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434A5C

Deuteranopia (green-blind)

#39435B

Tritanopia (blue-blind)

#005151

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #154c5b;
/* rgb */ color: rgb(21, 76, 91);
/* oklch */ color: oklch(38.8% 0.061 219.9);

Tailwind

colors: {
  custom: {
    50: '#5e7e89',
    500: '#154c5b',
    950: '#000000',
  },
}

SCSS

$custom: #154c5b;
$custom-light: #5e7e89;
$custom-dark: #000000;

JSON

{
  "hex": "#154c5b",
  "rgb": {
    "r": 21,
    "g": 76,
    "b": 91
  },
  "hsl": {
    "h": 192.857,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.38841,
    "c": 0.06085,
    "h": 219.9
  },
  "luminance": 0.06084
}

Semantic roles & 50–950 ramp

primary

#154C5B

secondary

#924C39

accent

#6542E6

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #154C5B

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

Preview Lab → · Contrast checker → · Palette generator →