#153C4D#153C4D

#153C4D is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.053 H 229.9°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#153C4D
RGB	rgb(21, 60, 77)
HSL	hsl(198, 57%, 19%)
HSV	hsv(198, 73%, 30%)
CMYK	cmyk(72.7%, 22.1%, 0%, 69.8%)
CIE-LAB	lab(23.43, -7.42, -14.39)
CIE-LCH	lch(23.43, 16.19, 242.71°)
OKLab	oklab(33.67% -0.0339 -0.0403)
OKLCH	oklch(33.67% 0.053 229.9)
XYZ	xyz(3.2641, 3.9266, 7.6056)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C4D #4D2615

analogous

#154D42 #153C4D #15204D

triadic

#153C4D #4D153C #3C4D15

tetradic

#153C4D #42154D #4D2615 #204D15

square

#153C4D #42154D #4D2615 #204D15

split-complementary

#153C4D #4D1520 #4D4215

monochromatic

#071318 #08171D #153C4D #22617D #2F87AD

Accessibility & contrast

On white

11.76

#153C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#153C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C4D

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C4D	#FFFFFF	#000000	##FFFFFF
##153C4D	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4E

Deuteranopia (green-blind)

#2C354D

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153c4d;
/* rgb */ color: rgb(21, 60, 77);
/* oklch */ color: oklch(33.7% 0.053 229.9);

Tailwind

colors: {
  custom: {
    50: '#5a717e',
    500: '#153c4d',
    950: '#000000',
  },
}

SCSS

$custom: #153c4d;
$custom-light: #5a717e;
$custom-dark: #000000;

JSON

{
  "hex": "#153c4d",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 77
  },
  "hsl": {
    "h": 198.214,
    "s": 57.143,
    "l": 19.216
  },
  "oklch": {
    "l": 0.33675,
    "c": 0.05264,
    "h": 229.9
  },
  "luminance": 0.03927
}

Semantic roles & 50–950 ramp

primary

#153C4D

secondary

#855039

accent

#7647E0

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153C4D

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

Preview Lab → · Contrast checker → · Palette generator →