#153D5C#153D5C

#153D5C is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.070 H 245.3°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#153D5C
RGB	rgb(21, 61, 92)
HSL	hsl(206, 63%, 22%)
HSV	hsv(206, 77%, 36%)
CMYK	cmyk(77.2%, 33.7%, 0%, 63.9%)
CIE-LAB	lab(24.54, -2.16, -22.51)
CIE-LCH	lch(24.54, 22.62, 264.51°)
OKLab	oklab(34.81% -0.0293 -0.0638)
OKLCH	oklch(34.81% 0.07 245.3)
XYZ	xyz(3.9090, 4.2692, 10.7412)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D5C #5C3415

analogous

#155C58 #153D5C #151A5C

triadic

#153D5C #5C153D #3D5C15

tetradic

#153D5C #58155C #5C3415 #1A5C15

square

#153D5C #58155C #5C3415 #1A5C15

split-complementary

#153D5C #5C151A #5C5815

monochromatic

#061119 #0A1C2A #153D5C #205E8E #2C7FC0

Accessibility & contrast

On white

11.33

#153D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#153D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D5C

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D5C	#FFFFFF	#000000	##FFFFFF
##153D5C	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3E5D

Deuteranopia (green-blind)

#25375B

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153d5c;
/* rgb */ color: rgb(21, 61, 92);
/* oklch */ color: oklch(34.8% 0.070 245.3);

Tailwind

colors: {
  custom: {
    50: '#5d728a',
    500: '#153d5c',
    950: '#000000',
  },
}

SCSS

$custom: #153d5c;
$custom-light: #5d728a;
$custom-dark: #000000;

JSON

{
  "hex": "#153d5c",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 92
  },
  "hsl": {
    "h": 206.197,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34813,
    "c": 0.07016,
    "h": 245.3
  },
  "luminance": 0.0427
}

Semantic roles & 50–950 ramp

primary

#153D5C

secondary

#936139

accent

#8A42E6

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #153D5C

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

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