#0F3E4B#0F3E4B

#0F3E4B is a dark, muted cyan. Relative luminance 0.041; OKLCH L 33.9% C 0.054 H 220.3°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#0F3E4B
RGB	rgb(15, 62, 75)
HSL	hsl(193, 67%, 18%)
HSV	hsv(193, 80%, 29%)
CMYK	cmyk(80%, 17.3%, 0%, 70.6%)
CIE-LAB	lab(23.85, -10.50, -12.43)
CIE-LCH	lch(23.85, 16.27, 229.80°)
OKLab	oklab(33.93% -0.0409 -0.0347)
OKLCH	oklch(33.93% 0.054 220.3)
XYZ	xyz(3.1891, 4.0544, 7.2698)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3E4B #4B1C0F

analogous

#0F4B3A #0F3E4B #0F204B

triadic

#0F3E4B #4B0F3E #3E4B0F

tetradic

#0F3E4B #3A0F4B #4B1C0F #204B0F

square

#0F3E4B #3A0F4B #4B1C0F #204B0F

split-complementary

#0F3E4B #4B0F20 #4B3A0F

monochromatic

#05151A #05151A #0F3E4B #19687E #2392B1

Accessibility & contrast

On white

11.60

#0F3E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0F3E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3E4B

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3E4B	#FFFFFF	#000000	##FFFFFF
##0F3E4B	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4C

Deuteranopia (green-blind)

#2E364B

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3e4b;
/* rgb */ color: rgb(15, 62, 75);
/* oklch */ color: oklch(33.9% 0.054 220.3);

Tailwind

colors: {
  custom: {
    50: '#58737d',
    500: '#0f3e4b',
    950: '#000000',
  },
}

SCSS

$custom: #0f3e4b;
$custom-light: #58737d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3e4b",
  "rgb": {
    "r": 15,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 193,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33929,
    "c": 0.05368,
    "h": 220.3
  },
  "luminance": 0.04055
}

Semantic roles & 50–950 ramp

primary

#0F3E4B

secondary

#854330

accent

#633EEA

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0F3E4B

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

Preview Lab → · Contrast checker → · Palette generator →