#153D6F#153D6F

#153D6F is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.1% C 0.097 H 255.8°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#153D6F
RGB	rgb(21, 61, 111)
HSL	hsl(213, 68%, 26%)
HSV	hsv(213, 81%, 44%)
CMYK	cmyk(81.1%, 45%, 0%, 56.5%)
CIE-LAB	lab(25.70, 5.68, -32.94)
CIE-LCH	lch(25.70, 33.42, 279.79°)
OKLab	oklab(36.09% -0.0239 -0.0943)
OKLCH	oklch(36.09% 0.097 255.8)
XYZ	xyz(4.8462, 4.6440, 15.6768)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D6F #6F4715

analogous

#156A6F #153D6F #1A156F

triadic

#153D6F #6F153D #3D6F15

tetradic

#153D6F #6F156A #6F4715 #156F1A

square

#153D6F #6F156A #6F4715 #156F1A

split-complementary

#153D6F #6F1A15 #6A6F15

monochromatic

#050E1A #0B213C #153D6F #1F59A2 #2876D6

Accessibility & contrast

On white

10.89

#153D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#153D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D6F

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D6F	#FFFFFF	#000000	##FFFFFF
##153D6F	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244171

Deuteranopia (green-blind)

#13396E

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153d6f;
/* rgb */ color: rgb(21, 61, 111);
/* oklch */ color: oklch(36.1% 0.097 255.8);

Tailwind

colors: {
  custom: {
    50: '#617299',
    500: '#153d6f',
    950: '#000000',
  },
}

SCSS

$custom: #153d6f;
$custom-light: #617299;
$custom-dark: #000000;

JSON

{
  "hex": "#153d6f",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 111
  },
  "hsl": {
    "h": 213.333,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36091,
    "c": 0.09726,
    "h": 255.8
  },
  "luminance": 0.04645
}

Semantic roles & 50–950 ramp

primary

#153D6F

secondary

#A5763A

accent

#9E3DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #153D6F

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

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