#0F4557#0F4557

#0F4557 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.5% C 0.062 H 225.2°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#0F4557
RGB	rgb(15, 69, 87)
HSL	hsl(195, 71%, 20%)
HSV	hsv(195, 83%, 34%)
CMYK	cmyk(82.8%, 20.7%, 0%, 65.9%)
CIE-LAB	lab(26.86, -10.19, -15.65)
CIE-LCH	lch(26.86, 18.68, 236.92°)
OKLab	oklab(36.53% -0.0436 -0.0439)
OKLCH	oklch(36.53% 0.062 225.2)
XYZ	xyz(4.0447, 5.0454, 9.7757)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F4557 #57210F

analogous

#0F5745 #0F4557 #0F2157

triadic

#0F4557 #570F45 #45570F

tetradic

#0F4557 #450F57 #57210F #21570F

square

#0F4557 #450F57 #57210F #21570F

split-complementary

#0F4557 #570F21 #57450F

monochromatic

#05151A #061C23 #0F4557 #186E8B #2198BF

Accessibility & contrast

On white

10.45

#0F4557 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#0F4557 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F4557

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F4557	#FFFFFF	#000000	##FFFFFF
##0F4557	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4358

Deuteranopia (green-blind)

#313C57

Tritanopia (blue-blind)

#004A4B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #0f4557;
/* rgb */ color: rgb(15, 69, 87);
/* oklch */ color: oklch(36.5% 0.062 225.2);

Tailwind

colors: {
  custom: {
    50: '#5b7886',
    500: '#0f4557',
    950: '#000000',
  },
}

SCSS

$custom: #0f4557;
$custom-light: #5b7886;
$custom-dark: #000000;

JSON

{
  "hex": "#0f4557",
  "rgb": {
    "r": 15,
    "g": 69,
    "b": 87
  },
  "hsl": {
    "h": 195,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.36526,
    "c": 0.06187,
    "h": 225.2
  },
  "luminance": 0.05046
}

Semantic roles & 50–950 ramp

primary

#0F4557

secondary

#914931

accent

#673AED

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0F4557

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

Preview Lab → · Contrast checker → · Palette generator →