#0F3D4B#0F3D4B

#0F3D4B is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.054 H 222.4°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#0F3D4B
RGB	rgb(15, 61, 75)
HSL	hsl(194, 67%, 18%)
HSV	hsv(194, 80%, 29%)
CMYK	cmyk(80%, 18.7%, 0%, 70.6%)
CIE-LAB	lab(23.49, -9.88, -12.98)
CIE-LCH	lch(23.49, 16.31, 232.71°)
OKLab	oklab(33.64% -0.0398 -0.0363)
OKLCH	oklch(33.64% 0.054 222.4)
XYZ	xyz(3.1352, 3.9467, 7.2518)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3D4B #4B1D0F

analogous

#0F4B3B #0F3D4B #0F1F4B

triadic

#0F3D4B #4B0F3D #3D4B0F

tetradic

#0F3D4B #3B0F4B #4B1D0F #1F4B0F

square

#0F3D4B #3B0F4B #4B1D0F #1F4B0F

split-complementary

#0F3D4B #4B0F1F #4B3B0F

monochromatic

#05151A #05151A #0F3D4B #19667E #2390B1

Accessibility & contrast

On white

11.74

#0F3D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#0F3D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3D4B

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3D4B	#FFFFFF	#000000	##FFFFFF
##0F3D4B	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353B4C

Deuteranopia (green-blind)

#2D354B

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3d4b;
/* rgb */ color: rgb(15, 61, 75);
/* oklch */ color: oklch(33.6% 0.054 222.4);

Tailwind

colors: {
  custom: {
    50: '#58727d',
    500: '#0f3d4b',
    950: '#000000',
  },
}

SCSS

$custom: #0f3d4b;
$custom-light: #58727d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3d4b",
  "rgb": {
    "r": 15,
    "g": 61,
    "b": 75
  },
  "hsl": {
    "h": 194,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33643,
    "c": 0.05383,
    "h": 222.4
  },
  "luminance": 0.03947
}

Semantic roles & 50–950 ramp

primary

#0F3D4B

secondary

#854430

accent

#663EEA

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0F3D4B

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

Preview Lab → · Contrast checker → · Palette generator →