#153C56#153C56

#153C56 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.063 H 241.3°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#153C56
RGB	rgb(21, 60, 86)
HSL	hsl(204, 61%, 21%)
HSV	hsv(204, 76%, 34%)
CMYK	cmyk(75.6%, 30.2%, 0%, 66.3%)
CIE-LAB	lab(23.88, -3.90, -19.63)
CIE-LCH	lch(23.88, 20.01, 258.75°)
OKLab	oklab(34.18% -0.0303 -0.0554)
OKLCH	oklch(34.18% 0.063 241.3)
XYZ	xyz(3.6042, 4.0626, 9.3965)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C56 #562F15

analogous

#15564F #153C56 #151B56

triadic

#153C56 #56153C #3C5615

tetradic

#153C56 #4F1556 #562F15 #1B5615

square

#153C56 #4F1556 #562F15 #1B5615

split-complementary

#153C56 #56151B #564F15

monochromatic

#061119 #091A25 #153C56 #215E87 #2D81B8

Accessibility & contrast

On white

11.59

#153C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#153C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C56

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C56	#FFFFFF	#000000	##FFFFFF
##153C56	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303C57

Deuteranopia (green-blind)

#273656

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153c56;
/* rgb */ color: rgb(21, 60, 86);
/* oklch */ color: oklch(34.2% 0.063 241.3);

Tailwind

colors: {
  custom: {
    50: '#5c7185',
    500: '#153c56',
    950: '#000000',
  },
}

SCSS

$custom: #153c56;
$custom-light: #5c7185;
$custom-dark: #000000;

JSON

{
  "hex": "#153c56",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 86
  },
  "hsl": {
    "h": 204,
    "s": 60.748,
    "l": 20.98
  },
  "oklch": {
    "l": 0.34181,
    "c": 0.06313,
    "h": 241.3
  },
  "luminance": 0.04063
}

Semantic roles & 50–950 ramp

primary

#153C56

secondary

#8E5B39

accent

#8444E4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153C56

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

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