#153C4F#153C4F

#153C4F is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.8% C 0.055 H 232.9°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#153C4F
RGB	rgb(21, 60, 79)
HSL	hsl(200, 58%, 20%)
HSV	hsv(200, 73%, 31%)
CMYK	cmyk(73.4%, 24.1%, 0%, 69%)
CIE-LAB	lab(23.52, -6.66, -15.57)
CIE-LCH	lch(23.52, 16.93, 246.85°)
OKLab	oklab(33.78% -0.033 -0.0436)
OKLCH	oklch(33.78% 0.055 232.9)
XYZ	xyz(3.3358, 3.9553, 7.9833)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C4F #4F2815

analogous

#154F45 #153C4F #151F4F

triadic

#153C4F #4F153C #3C4F15

tetradic

#153C4F #45154F #4F2815 #1F4F15

square

#153C4F #45154F #4F2815 #1F4F15

split-complementary

#153C4F #4F151F #4F4515

monochromatic

#061218 #08171F #153C4F #22617F #2F85B0

Accessibility & contrast

On white

11.72

#153C4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#153C4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C4F

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C4F	#FFFFFF	#000000	##FFFFFF
##153C4F	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B50

Deuteranopia (green-blind)

#2B354F

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153c4f;
/* rgb */ color: rgb(21, 60, 79);
/* oklch */ color: oklch(33.8% 0.055 232.9);

Tailwind

colors: {
  custom: {
    50: '#5a7180',
    500: '#153c4f',
    950: '#000000',
  },
}

SCSS

$custom: #153c4f;
$custom-light: #5a7180;
$custom-dark: #000000;

JSON

{
  "hex": "#153c4f",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 79
  },
  "hsl": {
    "h": 199.655,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.33783,
    "c": 0.05474,
    "h": 232.9
  },
  "luminance": 0.03956
}

Semantic roles & 50–950 ramp

primary

#153C4F

secondary

#875239

accent

#7947E1

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #153C4F

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

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