#153C5A#153C5A

#153C5A is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.4% C 0.068 H 245.1°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#153C5A
RGB	rgb(21, 60, 90)
HSL	hsl(206, 62%, 22%)
HSV	hsv(206, 77%, 35%)
CMYK	cmyk(76.7%, 33.3%, 0%, 64.7%)
CIE-LAB	lab(24.09, -2.30, -21.91)
CIE-LCH	lch(24.09, 22.03, 264.01°)
OKLab	oklab(34.42% -0.0288 -0.062)
OKLCH	oklch(34.42% 0.068 245.1)
XYZ	xyz(3.7699, 4.1289, 10.2692)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C5A #5A3315

analogous

#155A56 #153C5A #151A5A

triadic

#153C5A #5A153C #3C5A15

tetradic

#153C5A #56155A #5A3315 #1A5A15

square

#153C5A #56155A #5A3315 #1A5A15

split-complementary

#153C5A #5A151A #5A5615

monochromatic

#061119 #091B28 #153C5A #215D8C #2C7EBD

Accessibility & contrast

On white

11.50

#153C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C5A

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C5A	#FFFFFF	#000000	##FFFFFF
##153C5A	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3D5B

Deuteranopia (green-blind)

#253659

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153c5a;
/* rgb */ color: rgb(21, 60, 90);
/* oklch */ color: oklch(34.4% 0.068 245.1);

Tailwind

colors: {
  custom: {
    50: '#5d7189',
    500: '#153c5a',
    950: '#000000',
  },
}

SCSS

$custom: #153c5a;
$custom-light: #5d7189;
$custom-dark: #000000;

JSON

{
  "hex": "#153c5a",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 90
  },
  "hsl": {
    "h": 206.087,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.34422,
    "c": 0.0684,
    "h": 245.1
  },
  "luminance": 0.04129
}

Semantic roles & 50–950 ramp

primary

#153C5A

secondary

#926039

accent

#8943E5

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #153C5A

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

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