#0F3A5E#0F3A5E

#0F3A5E is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.078 H 248.1°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#0F3A5E
RGB	rgb(15, 58, 94)
HSL	hsl(207, 72%, 21%)
HSV	hsv(207, 84%, 37%)
CMYK	cmyk(84%, 38.3%, 0%, 63.1%)
CIE-LAB	lab(23.46, -0.16, -25.54)
CIE-LCH	lch(23.46, 25.54, 269.63°)
OKLab	oklab(33.94% -0.0292 -0.0727)
OKLCH	oklch(33.94% 0.078 248.1)
XYZ	xyz(3.7297, 3.9354, 11.1505)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3A5E #5E330F

analogous

#0F5E5B #0F3A5E #0F135E

triadic

#0F3A5E #5E0F3A #3A5E0F

tetradic

#0F3A5E #5B0F5E #5E330F #135E0F

square

#0F3A5E #5B0F5E #5E330F #135E0F

split-complementary

#0F3A5E #5E0F13 #5E5B0F

monochromatic

#04101A #071929 #0F3A5E #175B93 #207BC8

Accessibility & contrast

On white

11.75

#0F3A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#0F3A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3A5E

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3A5E	#FFFFFF	#000000	##FFFFFF
##0F3A5E	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293C5F

Deuteranopia (green-blind)

#1E355D

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3a5e;
/* rgb */ color: rgb(15, 58, 94);
/* oklch */ color: oklch(33.9% 0.078 248.1);

Tailwind

colors: {
  custom: {
    50: '#5b6f8c',
    500: '#0f3a5e',
    950: '#000000',
  },
}

SCSS

$custom: #0f3a5e;
$custom-light: #5b6f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3a5e",
  "rgb": {
    "r": 15,
    "g": 58,
    "b": 94
  },
  "hsl": {
    "h": 207.342,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.33942,
    "c": 0.07835,
    "h": 248.1
  },
  "luminance": 0.03936
}

Semantic roles & 50–950 ramp

primary

#0F3A5E

secondary

#976031

accent

#8C39EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070C

muted

#797A7D

Preview Lab

Preview with #0F3A5E

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

Preview Lab → · Contrast checker → · Palette generator →