#0F3F54#0F3F54

#0F3F54 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.062 H 231.7°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F54
RGB	rgb(15, 63, 84)
HSL	hsl(198, 70%, 19%)
HSV	hsv(198, 82%, 33%)
CMYK	cmyk(82.1%, 25%, 0%, 67.1%)
CIE-LAB	lab(24.63, -7.61, -17.16)
CIE-LCH	lch(24.63, 18.77, 246.09°)
OKLab	oklab(34.69% -0.0382 -0.0483)
OKLCH	oklch(34.69% 0.062 231.7)
XYZ	xyz(3.5741, 4.2962, 9.0267)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F54 #54240F

analogous

#0F5447 #0F3F54 #0F1D54

triadic

#0F3F54 #540F3F #3F540F

tetradic

#0F3F54 #470F54 #54240F #1D540F

square

#0F3F54 #470F54 #54240F #1D540F

split-complementary

#0F3F54 #540F1D #54470F

monochromatic

#05131A #061820 #0F3F54 #186688 #228DBC

Accessibility & contrast

On white

11.29

#0F3F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#0F3F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F54

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F54	#FFFFFF	#000000	##FFFFFF
##0F3F54	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343E55

Deuteranopia (green-blind)

#2B3854

Tritanopia (blue-blind)

#004546

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0f3f54;
/* rgb */ color: rgb(15, 63, 84);
/* oklch */ color: oklch(34.7% 0.062 231.7);

Tailwind

colors: {
  custom: {
    50: '#597484',
    500: '#0f3f54',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f54;
$custom-light: #597484;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f54",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 84
  },
  "hsl": {
    "h": 198.261,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.34691,
    "c": 0.06154,
    "h": 231.7
  },
  "luminance": 0.04297
}

Semantic roles & 50–950 ramp

primary

#0F3F54

secondary

#8E4D31

accent

#713BED

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0F3F54

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

Preview Lab → · Contrast checker → · Palette generator →