#0F3753#0F3753

#0F3753 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.4% C 0.066 H 243.4°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#0F3753
RGB	rgb(15, 55, 83)
HSL	hsl(205, 69%, 19%)
HSV	hsv(205, 82%, 33%)
CMYK	cmyk(81.9%, 33.7%, 0%, 67.5%)
CIE-LAB	lab(21.79, -2.74, -20.93)
CIE-LCH	lch(21.79, 21.11, 262.55°)
OKLab	oklab(32.42% -0.0296 -0.0593)
OKLCH	oklch(32.42% 0.066 243.4)
XYZ	xyz(3.1239, 3.4581, 8.6848)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3753 #532B0F

analogous

#0F534D #0F3753 #0F1553

triadic

#0F3753 #530F37 #37530F

tetradic

#0F3753 #4D0F53 #532B0F #15530F

square

#0F3753 #4D0F53 #532B0F #15530F

split-complementary

#0F3753 #530F15 #534D0F

monochromatic

#05111A #06151F #0F3753 #185987 #227CBB

Accessibility & contrast

On white

12.41

#0F3753 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#0F3753 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3753

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3753	#FFFFFF	#000000	##FFFFFF
##0F3753	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3854

Deuteranopia (green-blind)

#213152

Tritanopia (blue-blind)

#003E41

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0f3753;
/* rgb */ color: rgb(15, 55, 83);
/* oklch */ color: oklch(32.4% 0.066 243.4);

Tailwind

colors: {
  custom: {
    50: '#596d83',
    500: '#0f3753',
    950: '#000000',
  },
}

SCSS

$custom: #0f3753;
$custom-light: #596d83;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3753",
  "rgb": {
    "r": 15,
    "g": 55,
    "b": 83
  },
  "hsl": {
    "h": 204.706,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.32421,
    "c": 0.06631,
    "h": 243.4
  },
  "luminance": 0.03458
}

Semantic roles & 50–950 ramp

primary

#0F3753

secondary

#8D5731

accent

#843CEC

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #0F3753

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

Preview Lab → · Contrast checker → · Palette generator →