#153F54#153F54

#153F54 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 34.9% C 0.059 H 233.9°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#153F54
RGB	rgb(21, 63, 84)
HSL	hsl(200, 60%, 21%)
HSV	hsv(200, 75%, 33%)
CMYK	cmyk(75%, 25%, 0%, 67.1%)
CIE-LAB	lab(24.81, -6.65, -16.86)
CIE-LCH	lch(24.81, 18.13, 248.47°)
OKLab	oklab(34.89% -0.0346 -0.0474)
OKLCH	oklch(34.89% 0.059 233.9)
XYZ	xyz(3.6864, 4.3541, 9.0319)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F54 #542A15

analogous

#155449 #153F54 #151F54

triadic

#153F54 #54153F #3F5415

tetradic

#153F54 #491554 #542A15 #1F5415

square

#153F54 #491554 #542A15 #1F5415

split-complementary

#153F54 #54151F #544915

monochromatic

#061218 #091A23 #153F54 #216485 #2D88B6

Accessibility & contrast

On white

11.22

#153F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#153F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F54

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F54	#FFFFFF	#000000	##FFFFFF
##153F54	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353E55

Deuteranopia (green-blind)

#2C3854

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153f54;
/* rgb */ color: rgb(21, 63, 84);
/* oklch */ color: oklch(34.9% 0.059 233.9);

Tailwind

colors: {
  custom: {
    50: '#5c7484',
    500: '#153f54',
    950: '#000000',
  },
}

SCSS

$custom: #153f54;
$custom-light: #5c7484;
$custom-dark: #000000;

JSON

{
  "hex": "#153f54",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 84
  },
  "hsl": {
    "h": 200,
    "s": 60,
    "l": 20.588
  },
  "oklch": {
    "l": 0.34887,
    "c": 0.05864,
    "h": 233.9
  },
  "luminance": 0.04355
}

Semantic roles & 50–950 ramp

primary

#153F54

secondary

#8C5539

accent

#7945E3

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #153F54

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

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