#153D4C#153D4C

#153D4C is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.9% C 0.051 H 226.2°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#153D4C
RGB	rgb(21, 61, 76)
HSL	hsl(196, 57%, 19%)
HSV	hsv(196, 72%, 30%)
CMYK	cmyk(72.4%, 19.7%, 0%, 70.2%)
CIE-LAB	lab(23.73, -8.44, -13.26)
CIE-LCH	lch(23.73, 15.72, 237.51°)
OKLab	oklab(33.9% -0.0356 -0.037)
OKLCH	oklch(33.9% 0.051 226.2)
XYZ	xyz(3.2820, 4.0184, 7.4387)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D4C #4C2415

analogous

#154C40 #153D4C #15224C

triadic

#153D4C #4C153D #3D4C15

tetradic

#153D4C #40154C #4C2415 #224C15

square

#153D4C #40154C #4C2415 #224C15

split-complementary

#153D4C #4C1522 #4C4015

monochromatic

#071318 #08171C #153D4C #22637C #2F8AAC

Accessibility & contrast

On white

11.64

#153D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#153D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D4C

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D4C	#FFFFFF	#000000	##FFFFFF
##153D4C	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353C4D

Deuteranopia (green-blind)

#2D364C

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153d4c;
/* rgb */ color: rgb(21, 61, 76);
/* oklch */ color: oklch(33.9% 0.051 226.2);

Tailwind

colors: {
  custom: {
    50: '#5a727e',
    500: '#153d4c',
    950: '#000000',
  },
}

SCSS

$custom: #153d4c;
$custom-light: #5a727e;
$custom-dark: #000000;

JSON

{
  "hex": "#153d4c",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 76
  },
  "hsl": {
    "h": 196.364,
    "s": 56.701,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33903,
    "c": 0.05135,
    "h": 226.2
  },
  "luminance": 0.04019
}

Semantic roles & 50–950 ramp

primary

#153D4C

secondary

#844D39

accent

#7148E0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #153D4C

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

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