#154E5B#154E5B

#154E5B is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 39.4% C 0.061 H 216.3°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#154E5B
RGB	rgb(21, 78, 91)
HSL	hsl(191, 63%, 22%)
HSV	hsv(191, 77%, 36%)
CMYK	cmyk(76.9%, 14.3%, 0%, 64.3%)
CIE-LAB	lab(30.31, -13.26, -12.92)
CIE-LCH	lch(30.31, 18.51, 224.26°)
OKLab	oklab(39.4% -0.049 -0.036)
OKLCH	oklch(39.4% 0.061 216.3)
XYZ	xyz(4.9212, 6.3630, 10.8643)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154E5B #5B2215

analogous

#155B45 #154E5B #152B5B

triadic

#154E5B #5B154E #4E5B15

tetradic

#154E5B #45155B #5B2215 #2B5B15

square

#154E5B #45155B #5B2215 #2B5B15

split-complementary

#154E5B #5B152B #5B4515

monochromatic

#061519 #0A2329 #154E5B #20798D #2CA3BE

Accessibility & contrast

On white

9.24

#154E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#154E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154E5B

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154E5B	#FFFFFF	#000000	##FFFFFF
##154E5B	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454B5C

Deuteranopia (green-blind)

#3C445B

Tritanopia (blue-blind)

#005352

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #154e5b;
/* rgb */ color: rgb(21, 78, 91);
/* oklch */ color: oklch(39.4% 0.061 216.3);

Tailwind

colors: {
  custom: {
    50: '#5e7f89',
    500: '#154e5b',
    950: '#000000',
  },
}

SCSS

$custom: #154e5b;
$custom-light: #5e7f89;
$custom-dark: #000000;

JSON

{
  "hex": "#154e5b",
  "rgb": {
    "r": 21,
    "g": 78,
    "b": 91
  },
  "hsl": {
    "h": 191.143,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.39395,
    "c": 0.06081,
    "h": 216.3
  },
  "luminance": 0.06364
}

Semantic roles & 50–950 ramp

primary

#154E5B

secondary

#924A39

accent

#6142E6

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #154E5B

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

Preview Lab → · Contrast checker → · Palette generator →