#153D53#153D53

#153D53 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.059 H 236.3°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#153D53
RGB	rgb(21, 61, 83)
HSL	hsl(201, 60%, 20%)
HSV	hsv(201, 75%, 33%)
CMYK	cmyk(74.7%, 26.5%, 0%, 67.5%)
CIE-LAB	lab(24.07, -5.75, -17.36)
CIE-LCH	lch(24.07, 18.29, 251.68°)
OKLab	oklab(34.28% -0.0326 -0.0488)
OKLCH	oklch(34.28% 0.059 236.3)
XYZ	xyz(3.5387, 4.1211, 8.7909)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D53 #532B15

analogous

#15534A #153D53 #151E53

triadic

#153D53 #53153D #3D5315

tetradic

#153D53 #4A1553 #532B15 #1E5315

square

#153D53 #4A1553 #532B15 #1E5315

split-complementary

#153D53 #53151E #534A15

monochromatic

#061218 #091922 #153D53 #216184 #2E85B5

Accessibility & contrast

On white

11.51

#153D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#153D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D53

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D53	#FFFFFF	#000000	##FFFFFF
##153D53	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333D54

Deuteranopia (green-blind)

#2A3753

Tritanopia (blue-blind)

#004344

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153d53;
/* rgb */ color: rgb(21, 61, 83);
/* oklch */ color: oklch(34.3% 0.059 236.3);

Tailwind

colors: {
  custom: {
    50: '#5b7283',
    500: '#153d53',
    950: '#000000',
  },
}

SCSS

$custom: #153d53;
$custom-light: #5b7283;
$custom-dark: #000000;

JSON

{
  "hex": "#153d53",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 83
  },
  "hsl": {
    "h": 201.29,
    "s": 59.615,
    "l": 20.392
  },
  "oklch": {
    "l": 0.34281,
    "c": 0.0587,
    "h": 236.3
  },
  "luminance": 0.04121
}

Semantic roles & 50–950 ramp

primary

#153D53

secondary

#8B5639

accent

#7D45E3

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #153D53

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

Preview Lab → · Contrast checker → · Palette generator →