#0F3A4E#0F3A4E

#0F3A4E is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.058 H 232.8°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A4E
RGB	rgb(15, 58, 78)
HSL	hsl(199, 68%, 18%)
HSV	hsv(199, 81%, 31%)
CMYK	cmyk(80.8%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(22.57, -6.78, -16.39)
CIE-LCH	lch(22.57, 17.74, 247.52°)
OKLab	oklab(32.96% -0.035 -0.0461)
OKLCH	oklch(32.96% 0.058 232.8)
XYZ	xyz(3.0847, 3.6774, 7.7535)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A4E #4E230F

analogous

#0F4E42 #0F3A4E #0F1A4E

triadic

#0F3A4E #4E0F3A #3A4E0F

tetradic

#0F3A4E #420F4E #4E230F #1A4E0F

square

#0F3A4E #420F4E #4E230F #1A4E0F

split-complementary

#0F3A4E #4E0F1A #4E420F

monochromatic

#05131A #05141B #0F3A4E #196081 #2386B5

Accessibility & contrast

On white

12.10

#0F3A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0F3A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A4E

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A4E	#FFFFFF	#000000	##FFFFFF
##0F3A4E	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30394F

Deuteranopia (green-blind)

#28334E

Tritanopia (blue-blind)

#003F41

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0f3a4e;
/* rgb */ color: rgb(15, 58, 78);
/* oklch */ color: oklch(33.0% 0.058 232.8);

Tailwind

colors: {
  custom: {
    50: '#58707f',
    500: '#0f3a4e',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a4e;
$custom-light: #58707f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a4e",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 199.048,
    "s": 67.742,
    "l": 18.235
  },
  "oklch": {
    "l": 0.32955,
    "c": 0.05786,
    "h": 232.8
  },
  "luminance": 0.03678
}

Semantic roles & 50–950 ramp

primary

#0F3A4E

secondary

#884C31

accent

#743DEB

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0F3A4E

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

Preview Lab → · Contrast checker → · Palette generator →