#153B54#153B54

#153B54 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.061 H 240.9°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#153B54
RGB	rgb(21, 59, 84)
HSL	hsl(204, 60%, 21%)
HSV	hsv(204, 75%, 33%)
CMYK	cmyk(75%, 29.8%, 0%, 67.1%)
CIE-LAB	lab(23.43, -4.04, -19.01)
CIE-LCH	lch(23.43, 19.44, 258.01°)
OKLab	oklab(33.79% -0.0299 -0.0536)
OKLCH	oklch(33.79% 0.061 240.9)
XYZ	xyz(3.4728, 3.9271, 8.9608)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B54 #542E15

analogous

#15544D #153B54 #151B54

triadic

#153B54 #54153B #3B5415

tetradic

#153B54 #4D1554 #542E15 #1B5415

square

#153B54 #4D1554 #542E15 #1B5415

split-complementary

#153B54 #54151B #544D15

monochromatic

#061118 #091923 #153B54 #215D85 #2D80B6

Accessibility & contrast

On white

11.76

#153B54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#153B54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B54

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B54	#FFFFFF	#000000	##FFFFFF
##153B54	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)

#303B55

Deuteranopia (green-blind)

#273554

Tritanopia (blue-blind)

#004144

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153b54;
/* rgb */ color: rgb(21, 59, 84);
/* oklch */ color: oklch(33.8% 0.061 240.9);

Tailwind

colors: {
  custom: {
    50: '#5b7084',
    500: '#153b54',
    950: '#000000',
  },
}

SCSS

$custom: #153b54;
$custom-light: #5b7084;
$custom-dark: #000000;

JSON

{
  "hex": "#153b54",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 84
  },
  "hsl": {
    "h": 203.81,
    "s": 60,
    "l": 20.588
  },
  "oklch": {
    "l": 0.33791,
    "c": 0.06137,
    "h": 240.9
  },
  "luminance": 0.03927
}

Semantic roles & 50–950 ramp

primary

#153B54

secondary

#8C5A39

accent

#8445E3

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153B54

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

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