#153D4F#153D4F

#153D4F is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.054 H 230.9°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#153D4F
RGB	rgb(21, 61, 79)
HSL	hsl(199, 58%, 20%)
HSV	hsv(199, 73%, 31%)
CMYK	cmyk(73.4%, 22.8%, 0%, 69%)
CIE-LAB	lab(23.87, -7.30, -15.02)
CIE-LCH	lch(23.87, 16.70, 244.09°)
OKLab	oklab(34.06% -0.0343 -0.0421)
OKLCH	oklch(34.06% 0.054 230.9)
XYZ	xyz(3.3887, 4.0611, 8.0009)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D4F #4F2715

analogous

#154F44 #153D4F #15204F

triadic

#153D4F #4F153D #3D4F15

tetradic

#153D4F #44154F #4F2715 #204F15

square

#153D4F #44154F #4F2715 #204F15

split-complementary

#153D4F #4F1520 #4F4415

monochromatic

#061318 #08181F #153D4F #22627F #2F88B0

Accessibility & contrast

On white

11.59

#153D4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#153D4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D4F

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D4F	#FFFFFF	#000000	##FFFFFF
##153D4F	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343C50

Deuteranopia (green-blind)

#2C364F

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153d4f;
/* rgb */ color: rgb(21, 61, 79);
/* oklch */ color: oklch(34.1% 0.054 230.9);

Tailwind

colors: {
  custom: {
    50: '#5a7280',
    500: '#153d4f',
    950: '#000000',
  },
}

SCSS

$custom: #153d4f;
$custom-light: #5a7280;
$custom-dark: #000000;

JSON

{
  "hex": "#153d4f",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 79
  },
  "hsl": {
    "h": 198.621,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.34061,
    "c": 0.05428,
    "h": 230.9
  },
  "luminance": 0.04061
}

Semantic roles & 50–950 ramp

primary

#153D4F

secondary

#875139

accent

#7747E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #153D4F

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

Preview Lab → · Contrast checker → · Palette generator →