#154D5B#154D5B

#154D5B is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.1% C 0.061 H 218.1°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#154D5B
RGB	rgb(21, 77, 91)
HSL	hsl(192, 63%, 22%)
HSV	hsv(192, 77%, 36%)
CMYK	cmyk(76.9%, 15.4%, 0%, 64.3%)
CIE-LAB	lab(29.97, -12.66, -13.45)
CIE-LCH	lch(29.97, 18.47, 226.71°)
OKLab	oklab(39.12% -0.0478 -0.0375)
OKLCH	oklch(39.12% 0.061 218.1)
XYZ	xyz(4.8507, 6.2220, 10.8408)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154D5B #5B2315

analogous

#155B46 #154D5B #152A5B

triadic

#154D5B #5B154D #4D5B15

tetradic

#154D5B #46155B #5B2315 #2A5B15

square

#154D5B #46155B #5B2315 #2A5B15

split-complementary

#154D5B #5B152A #5B4615

monochromatic

#061519 #0A2329 #154D5B #20778D #2CA1BE

Accessibility & contrast

On white

9.36

#154D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#154D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154D5B

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154D5B	#FFFFFF	#000000	##FFFFFF
##154D5B	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444B5C

Deuteranopia (green-blind)

#3A445B

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #154d5b;
/* rgb */ color: rgb(21, 77, 91);
/* oklch */ color: oklch(39.1% 0.061 218.1);

Tailwind

colors: {
  custom: {
    50: '#5e7f89',
    500: '#154d5b',
    950: '#000000',
  },
}

SCSS

$custom: #154d5b;
$custom-light: #5e7f89;
$custom-dark: #000000;

JSON

{
  "hex": "#154d5b",
  "rgb": {
    "r": 21,
    "g": 77,
    "b": 91
  },
  "hsl": {
    "h": 192,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.39118,
    "c": 0.0608,
    "h": 218.1
  },
  "luminance": 0.06223
}

Semantic roles & 50–950 ramp

primary

#154D5B

secondary

#924B39

accent

#6342E6

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #154D5B

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

Preview Lab → · Contrast checker → · Palette generator →