#0F3B5E#0F3B5E

#0F3B5E is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.077 H 247.0°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B5E
RGB	rgb(15, 59, 94)
HSL	hsl(207, 72%, 21%)
HSV	hsv(207, 84%, 37%)
CMYK	cmyk(84%, 37.2%, 0%, 63.1%)
CIE-LAB	lab(23.79, -0.85, -25.01)
CIE-LCH	lch(23.79, 25.02, 268.06°)
OKLab	oklab(34.21% -0.0302 -0.0711)
OKLCH	oklch(34.21% 0.077 247)
XYZ	xyz(3.7806, 4.0372, 11.1675)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B5E #5E320F

analogous

#0F5E5A #0F3B5E #0F145E

triadic

#0F3B5E #5E0F3B #3B5E0F

tetradic

#0F3B5E #5A0F5E #5E320F #145E0F

square

#0F3B5E #5A0F5E #5E320F #145E0F

split-complementary

#0F3B5E #5E0F14 #5E5A0F

monochromatic

#04111A #071A29 #0F3B5E #175C93 #207DC8

Accessibility & contrast

On white

11.62

#0F3B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0F3B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B5E

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B5E	#FFFFFF	#000000	##FFFFFF
##0F3B5E	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3D5F

Deuteranopia (green-blind)

#1F355D

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0f3b5e;
/* rgb */ color: rgb(15, 59, 94);
/* oklch */ color: oklch(34.2% 0.077 247.0);

Tailwind

colors: {
  custom: {
    50: '#5b708c',
    500: '#0f3b5e',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b5e;
$custom-light: #5b708c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b5e",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 94
  },
  "hsl": {
    "h": 206.582,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34208,
    "c": 0.07728,
    "h": 247
  },
  "luminance": 0.04038
}

Semantic roles & 50–950 ramp

primary

#0F3B5E

secondary

#975F31

accent

#8A39EF

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070C

muted

#797A7D

Preview Lab

Preview with #0F3B5E

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

Preview Lab → · Contrast checker → · Palette generator →