#153B59#153B59

#153B59 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.068 H 245.6°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#153B59
RGB	rgb(21, 59, 89)
HSL	hsl(206, 62%, 22%)
HSV	hsv(206, 76%, 35%)
CMYK	cmyk(76.4%, 33.7%, 0%, 65.1%)
CIE-LAB	lab(23.70, -2.03, -21.88)
CIE-LCH	lch(23.70, 21.97, 264.70°)
OKLab	oklab(34.09% -0.0281 -0.0619)
OKLCH	oklch(34.09% 0.068 245.6)
XYZ	xyz(3.6757, 4.0082, 10.0292)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B59 #593315

analogous

#155955 #153B59 #151959

triadic

#153B59 #59153B #3B5915

tetradic

#153B59 #551559 #593315 #195915

square

#153B59 #551559 #593315 #195915

split-complementary

#153B59 #591519 #595515

monochromatic

#061019 #091A27 #153B59 #215C8B #2C7DBC

Accessibility & contrast

On white

11.66

#153B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#153B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B59

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B59	#FFFFFF	#000000	##FFFFFF
##153B59	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3C5A

Deuteranopia (green-blind)

#243658

Tritanopia (blue-blind)

#004246

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #153b59;
/* rgb */ color: rgb(21, 59, 89);
/* oklch */ color: oklch(34.1% 0.068 245.6);

Tailwind

colors: {
  custom: {
    50: '#5c7088',
    500: '#153b59',
    950: '#000000',
  },
}

SCSS

$custom: #153b59;
$custom-light: #5c7088;
$custom-dark: #000000;

JSON

{
  "hex": "#153b59",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 89
  },
  "hsl": {
    "h": 206.471,
    "s": 61.818,
    "l": 21.569
  },
  "oklch": {
    "l": 0.34093,
    "c": 0.068,
    "h": 245.6
  },
  "luminance": 0.04009
}

Semantic roles & 50–950 ramp

primary

#153B59

secondary

#916039

accent

#8A43E5

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #153B59

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

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