#0F3B4E#0F3B4E

#0F3B4E is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.057 H 230.9°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B4E
RGB	rgb(15, 59, 78)
HSL	hsl(198, 68%, 18%)
HSV	hsv(198, 81%, 31%)
CMYK	cmyk(80.8%, 24.4%, 0%, 69.4%)
CIE-LAB	lab(22.93, -7.43, -15.84)
CIE-LCH	lch(22.93, 17.50, 244.87°)
OKLab	oklab(33.24% -0.0361 -0.0445)
OKLCH	oklch(33.24% 0.057 230.9)
XYZ	xyz(3.1356, 3.7792, 7.7705)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B4E #4E220F

analogous

#0F4E41 #0F3B4E #0F1B4E

triadic

#0F3B4E #4E0F3B #3B4E0F

tetradic

#0F3B4E #410F4E #4E220F #1B4E0F

square

#0F3B4E #410F4E #4E220F #1B4E0F

split-complementary

#0F3B4E #4E0F1B #4E410F

monochromatic

#05131A #05141B #0F3B4E #196281 #2389B5

Accessibility & contrast

On white

11.96

#0F3B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#0F3B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B4E

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B4E	#FFFFFF	#000000	##FFFFFF
##0F3B4E	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313A4F

Deuteranopia (green-blind)

#29344E

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0f3b4e;
/* rgb */ color: rgb(15, 59, 78);
/* oklch */ color: oklch(33.2% 0.057 230.9);

Tailwind

colors: {
  custom: {
    50: '#58707f',
    500: '#0f3b4e',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b4e;
$custom-light: #58707f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b4e",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 198.095,
    "s": 67.742,
    "l": 18.235
  },
  "oklch": {
    "l": 0.33236,
    "c": 0.05732,
    "h": 230.9
  },
  "luminance": 0.0378
}

Semantic roles & 50–950 ramp

primary

#0F3B4E

secondary

#884B31

accent

#713DEB

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0F3B4E

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

Preview Lab → · Contrast checker → · Palette generator →