#0F3F4D#0F3F4D

#0F3F4D is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.3% C 0.055 H 221.6°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F4D
RGB	rgb(15, 63, 77)
HSL	hsl(194, 67%, 18%)
HSV	hsv(194, 81%, 30%)
CMYK	cmyk(80.5%, 18.2%, 0%, 69.8%)
CIE-LAB	lab(24.30, -10.35, -13.07)
CIE-LCH	lch(24.30, 16.67, 231.61°)
OKLab	oklab(34.32% -0.0412 -0.0365)
OKLCH	oklch(34.32% 0.055 221.6)
XYZ	xyz(3.3135, 4.1920, 7.6542)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F4D #4D1D0F

analogous

#0F4D3C #0F3F4D #0F204D

triadic

#0F3F4D #4D0F3F #3F4D0F

tetradic

#0F3F4D #3C0F4D #4D1D0F #204D0F

square

#0F3F4D #3C0F4D #4D1D0F #204D0F

split-complementary

#0F3F4D #4D0F20 #4D3C0F

monochromatic

#05151A #05151A #0F3F4D #196980 #2393B3

Accessibility & contrast

On white

11.42

#0F3F4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#0F3F4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F4D

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F4D	#FFFFFF	#000000	##FFFFFF
##0F3F4D	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373D4E

Deuteranopia (green-blind)

#2E374D

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f3f4d;
/* rgb */ color: rgb(15, 63, 77);
/* oklch */ color: oklch(34.3% 0.055 221.6);

Tailwind

colors: {
  custom: {
    50: '#58747e',
    500: '#0f3f4d',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f4d;
$custom-light: #58747e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f4d",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 77
  },
  "hsl": {
    "h": 193.548,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.34316,
    "c": 0.05506,
    "h": 221.6
  },
  "luminance": 0.04192
}

Semantic roles & 50–950 ramp

primary

#0F3F4D

secondary

#874431

accent

#653EEA

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0F3F4D

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

Preview Lab → · Contrast checker → · Palette generator →