#153D59#153D59

#153D59 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.066 H 242.7°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#153D59
RGB	rgb(21, 61, 89)
HSL	hsl(205, 62%, 22%)
HSV	hsv(205, 76%, 35%)
CMYK	cmyk(76.4%, 31.5%, 0%, 65.1%)
CIE-LAB	lab(24.38, -3.37, -20.81)
CIE-LCH	lch(24.38, 21.08, 260.80°)
OKLab	oklab(34.63% -0.0303 -0.0588)
OKLCH	oklch(34.63% 0.066 242.7)
XYZ	xyz(3.7805, 4.2178, 10.0641)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D59 #593115

analogous

#155953 #153D59 #151B59

triadic

#153D59 #59153D #3D5915

tetradic

#153D59 #531559 #593115 #1B5915

square

#153D59 #531559 #593115 #1B5915

split-complementary

#153D59 #59151B #595315

monochromatic

#061119 #091B27 #153D59 #215F8B #2C81BC

Accessibility & contrast

On white

11.39

#153D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#153D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D59

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D59	#FFFFFF	#000000	##FFFFFF
##153D59	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303E5A

Deuteranopia (green-blind)

#273758

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153d59;
/* rgb */ color: rgb(21, 61, 89);
/* oklch */ color: oklch(34.6% 0.066 242.7);

Tailwind

colors: {
  custom: {
    50: '#5c7288',
    500: '#153d59',
    950: '#000000',
  },
}

SCSS

$custom: #153d59;
$custom-light: #5c7288;
$custom-dark: #000000;

JSON

{
  "hex": "#153d59",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 89
  },
  "hsl": {
    "h": 204.706,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3463,
    "c": 0.06616,
    "h": 242.7
  },
  "luminance": 0.04218
}

Semantic roles & 50–950 ramp

primary

#153D59

secondary

#915D39

accent

#8643E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153D59

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

Preview Lab → · Contrast checker → · Palette generator →