#153E5A#153E5A

#153E5A is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.067 H 242.2°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#153E5A
RGB	rgb(21, 62, 90)
HSL	hsl(204, 62%, 22%)
HSV	hsv(204, 77%, 35%)
CMYK	cmyk(76.7%, 31.1%, 0%, 64.7%)
CIE-LAB	lab(24.77, -3.63, -20.85)
CIE-LCH	lch(24.77, 21.16, 260.11°)
OKLab	oklab(34.96% -0.0311 -0.0589)
OKLCH	oklch(34.96% 0.067 242.2)
XYZ	xyz(3.8766, 4.3424, 10.3047)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E5A #5A3115

analogous

#155A54 #153E5A #151C5A

triadic

#153E5A #5A153E #3E5A15

tetradic

#153E5A #54155A #5A3115 #1C5A15

square

#153E5A #54155A #5A3115 #1C5A15

split-complementary

#153E5A #5A151C #5A5415

monochromatic

#061119 #091C28 #153E5A #21608C #2C82BD

Accessibility & contrast

On white

11.24

#153E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#153E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E5A

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E5A	#FFFFFF	#000000	##FFFFFF
##153E5A	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313E5B

Deuteranopia (green-blind)

#283859

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153e5a;
/* rgb */ color: rgb(21, 62, 90);
/* oklch */ color: oklch(35.0% 0.067 242.2);

Tailwind

colors: {
  custom: {
    50: '#5d7389',
    500: '#153e5a',
    950: '#000000',
  },
}

SCSS

$custom: #153e5a;
$custom-light: #5d7389;
$custom-dark: #000000;

JSON

{
  "hex": "#153e5a",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 90
  },
  "hsl": {
    "h": 204.348,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.34959,
    "c": 0.06661,
    "h": 242.2
  },
  "luminance": 0.04343
}

Semantic roles & 50–950 ramp

primary

#153E5A

secondary

#925D39

accent

#8543E5

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #153E5A

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

Preview Lab → · Contrast checker → · Palette generator →