#153C5C#153C5C

#153C5C is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.071 H 246.7°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#153C5C
RGB	rgb(21, 60, 92)
HSL	hsl(207, 63%, 22%)
HSV	hsv(207, 77%, 36%)
CMYK	cmyk(77.2%, 34.8%, 0%, 63.9%)
CIE-LAB	lab(24.20, -1.49, -23.04)
CIE-LCH	lch(24.20, 23.09, 266.31°)
OKLab	oklab(34.55% -0.0282 -0.0653)
OKLCH	oklch(34.55% 0.071 246.7)
XYZ	xyz(3.8562, 4.1634, 10.7235)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C5C #5C3515

analogous

#155C59 #153C5C #15195C

triadic

#153C5C #5C153C #3C5C15

tetradic

#153C5C #59155C #5C3515 #195C15

square

#153C5C #59155C #5C3515 #195C15

split-complementary

#153C5C #5C1519 #5C5915

monochromatic

#061019 #0A1C2A #153C5C #205C8E #2C7DC0

Accessibility & contrast

On white

11.46

#153C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C5C

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C5C	#FFFFFF	#000000	##FFFFFF
##153C5C	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3D5D

Deuteranopia (green-blind)

#24375B

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153c5c;
/* rgb */ color: rgb(21, 60, 92);
/* oklch */ color: oklch(34.5% 0.071 246.7);

Tailwind

colors: {
  custom: {
    50: '#5d718a',
    500: '#153c5c',
    950: '#000000',
  },
}

SCSS

$custom: #153c5c;
$custom-light: #5d718a;
$custom-dark: #000000;

JSON

{
  "hex": "#153c5c",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 92
  },
  "hsl": {
    "h": 207.042,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34547,
    "c": 0.07113,
    "h": 246.7
  },
  "luminance": 0.04164
}

Semantic roles & 50–950 ramp

primary

#153C5C

secondary

#936239

accent

#8C42E6

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #153C5C

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

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