#0F3A5F#0F3A5F

#0F3A5F is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.080 H 248.8°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A5F
RGB	rgb(15, 58, 95)
HSL	hsl(208, 73%, 22%)
HSV	hsv(208, 84%, 37%)
CMYK	cmyk(84.2%, 38.9%, 0%, 62.7%)
CIE-LAB	lab(23.52, 0.26, -26.10)
CIE-LCH	lch(23.52, 26.10, 270.57°)
OKLab	oklab(34.01% -0.0289 -0.0743)
OKLCH	oklch(34.01% 0.08 248.8)
XYZ	xyz(3.7748, 3.9534, 11.3884)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A5F #5F340F

analogous

#0F5F5C #0F3A5F #0F125F

triadic

#0F3A5F #5F0F3A #3A5F0F

tetradic

#0F3A5F #5C0F5F #5F340F #125F0F

square

#0F3A5F #5C0F5F #5F340F #125F0F

split-complementary

#0F3A5F #5F0F12 #5F5C0F

monochromatic

#04101A #071A2A #0F3A5F #175A94 #207BC9

Accessibility & contrast

On white

11.73

#0F3A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#0F3A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A5F

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A5F	#FFFFFF	#000000	##FFFFFF
##0F3A5F	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293C61

Deuteranopia (green-blind)

#1D355E

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3a5f;
/* rgb */ color: rgb(15, 58, 95);
/* oklch */ color: oklch(34.0% 0.080 248.8);

Tailwind

colors: {
  custom: {
    50: '#5c6f8c',
    500: '#0f3a5f',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a5f;
$custom-light: #5c6f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a5f",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 95
  },
  "hsl": {
    "h": 207.75,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.34009,
    "c": 0.07975,
    "h": 248.8
  },
  "luminance": 0.03954
}

Semantic roles & 50–950 ramp

primary

#0F3A5F

secondary

#986132

accent

#8D38EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #0F3A5F

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

Preview Lab → · Contrast checker → · Palette generator →