#153F5D#153F5D

#153F5D is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.070 H 243.4°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#153F5D
RGB	rgb(21, 63, 93)
HSL	hsl(205, 63%, 22%)
HSV	hsv(205, 77%, 36%)
CMYK	cmyk(77.4%, 32.3%, 0%, 63.5%)
CIE-LAB	lab(25.27, -3.09, -22.01)
CIE-LCH	lch(25.27, 22.23, 262.00°)
OKLab	oklab(35.41% -0.0311 -0.0623)
OKLCH	oklch(35.41% 0.07 243.4)
XYZ	xyz(4.0618, 4.5043, 11.0092)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F5D #5D3315

analogous

#155D57 #153F5D #151B5D

triadic

#153F5D #5D153F #3F5D15

tetradic

#153F5D #57155D #5D3315 #1B5D15

square

#153F5D #57155D #5D3315 #1B5D15

split-complementary

#153F5D #5D151B #5D5715

monochromatic

#061119 #0A1D2B #153F5D #20618F #2C83C1

Accessibility & contrast

On white

11.05

#153F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#153F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F5D

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F5D	#FFFFFF	#000000	##FFFFFF
##153F5D	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31405E

Deuteranopia (green-blind)

#27395C

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153f5d;
/* rgb */ color: rgb(21, 63, 93);
/* oklch */ color: oklch(35.4% 0.070 243.4);

Tailwind

colors: {
  custom: {
    50: '#5d738b',
    500: '#153f5d',
    950: '#000000',
  },
}

SCSS

$custom: #153f5d;
$custom-light: #5d738b;
$custom-dark: #000000;

JSON

{
  "hex": "#153f5d",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 93
  },
  "hsl": {
    "h": 205,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.35408,
    "c": 0.06964,
    "h": 243.4
  },
  "luminance": 0.04505
}

Semantic roles & 50–950 ramp

primary

#153F5D

secondary

#945F39

accent

#8642E6

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #153F5D

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

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