#153F6F#153F6F

#153F6F is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.095 H 254.2°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#153F6F
RGB	rgb(21, 63, 111)
HSL	hsl(212, 68%, 26%)
HSV	hsv(212, 81%, 44%)
CMYK	cmyk(81.1%, 43.2%, 0%, 56.5%)
CIE-LAB	lab(26.34, 4.30, -31.91)
CIE-LCH	lch(26.34, 32.20, 277.67°)
OKLab	oklab(36.59% -0.0258 -0.0912)
OKLCH	oklch(36.59% 0.095 254.2)
XYZ	xyz(4.9549, 4.8616, 15.7131)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F6F #6F4515

analogous

#156C6F #153F6F #18156F

triadic

#153F6F #6F153F #3F6F15

tetradic

#153F6F #6F156C #6F4515 #156F18

square

#153F6F #6F156C #6F4515 #156F18

split-complementary

#153F6F #6F1815 #6C6F15

monochromatic

#050F1A #0B223C #153F6F #1F5CA2 #2879D6

Accessibility & contrast

On white

10.65

#153F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#153F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F6F

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F6F	#FFFFFF	#000000	##FFFFFF
##153F6F	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284371

Deuteranopia (green-blind)

#183B6E

Tritanopia (blue-blind)

#004A51

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153f6f;
/* rgb */ color: rgb(21, 63, 111);
/* oklch */ color: oklch(36.6% 0.095 254.2);

Tailwind

colors: {
  custom: {
    50: '#617398',
    500: '#153f6f',
    950: '#000000',
  },
}

SCSS

$custom: #153f6f;
$custom-light: #617398;
$custom-dark: #000000;

JSON

{
  "hex": "#153f6f",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 111
  },
  "hsl": {
    "h": 212,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36589,
    "c": 0.0948,
    "h": 254.2
  },
  "luminance": 0.04862
}

Semantic roles & 50–950 ramp

primary

#153F6F

secondary

#A5733A

accent

#9A3DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #153F6F

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

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