#153D54#153D54

#153D54 is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.060 H 237.5°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#153D54
RGB	rgb(21, 61, 84)
HSL	hsl(202, 60%, 21%)
HSV	hsv(202, 75%, 33%)
CMYK	cmyk(75%, 27.4%, 0%, 67.1%)
CIE-LAB	lab(24.12, -5.36, -17.94)
CIE-LCH	lch(24.12, 18.72, 253.38°)
OKLab	oklab(34.34% -0.0322 -0.0505)
OKLCH	oklch(34.34% 0.06 237.5)
XYZ	xyz(3.5776, 4.1366, 8.9957)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D54 #542C15

analogous

#15544B #153D54 #151D54

triadic

#153D54 #54153D #3D5415

tetradic

#153D54 #4B1554 #542C15 #1D5415

square

#153D54 #4B1554 #542C15 #1D5415

split-complementary

#153D54 #54151D #544B15

monochromatic

#061218 #091923 #153D54 #216185 #2D84B6

Accessibility & contrast

On white

11.49

#153D54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#153D54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D54

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D54	#FFFFFF	#000000	##FFFFFF
##153D54	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323D55

Deuteranopia (green-blind)

#2A3754

Tritanopia (blue-blind)

#004345

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #153d54;
/* rgb */ color: rgb(21, 61, 84);
/* oklch */ color: oklch(34.3% 0.060 237.5);

Tailwind

colors: {
  custom: {
    50: '#5b7284',
    500: '#153d54',
    950: '#000000',
  },
}

SCSS

$custom: #153d54;
$custom-light: #5b7284;
$custom-dark: #000000;

JSON

{
  "hex": "#153d54",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 84
  },
  "hsl": {
    "h": 201.905,
    "s": 60,
    "l": 20.588
  },
  "oklch": {
    "l": 0.34338,
    "c": 0.05988,
    "h": 237.5
  },
  "luminance": 0.04137
}

Semantic roles & 50–950 ramp

primary

#153D54

secondary

#8C5739

accent

#7F45E3

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #153D54

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

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