#0F3F72#0F3F72

#0F3F72 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.101 H 253.6°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#0F3F72
RGB	rgb(15, 63, 114)
HSL	hsl(211, 77%, 25%)
HSV	hsv(211, 87%, 45%)
CMYK	cmyk(86.8%, 44.7%, 0%, 55.3%)
CIE-LAB	lab(26.36, 4.88, -33.79)
CIE-LCH	lch(26.36, 34.14, 278.21°)
OKLab	oklab(36.63% -0.0285 -0.0968)
OKLCH	oklch(36.63% 0.101 253.6)
XYZ	xyz(5.0106, 4.8709, 16.5924)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3F72 #72420F

analogous

#0F7072 #0F3F72 #100F72

triadic

#0F3F72 #720F3F #3F720F

tetradic

#0F3F72 #720F70 #72420F #0F7210

square

#0F3F72 #720F70 #72420F #0F7210

split-complementary

#0F3F72 #72100F #70720F

monochromatic

#040F1B #08213C #0F3F72 #165DA8 #1D7BDE

Accessibility & contrast

On white

10.64

#0F3F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#0F3F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3F72

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3F72	#FFFFFF	#000000	##FFFFFF
##0F3F72	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254374

Deuteranopia (green-blind)

#123A71

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #0f3f72;
/* rgb */ color: rgb(15, 63, 114);
/* oklch */ color: oklch(36.6% 0.101 253.6);

Tailwind

colors: {
  custom: {
    50: '#61739b',
    500: '#0f3f72',
    950: '#000000',
  },
}

SCSS

$custom: #0f3f72;
$custom-light: #61739b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3f72",
  "rgb": {
    "r": 15,
    "g": 63,
    "b": 114
  },
  "hsl": {
    "h": 210.909,
    "s": 76.744,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36625,
    "c": 0.10091,
    "h": 253.6
  },
  "luminance": 0.04871
}

Semantic roles & 50–950 ramp

primary

#0F3F72

secondary

#AA7033

accent

#9735F3

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #0F3F72

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

Preview Lab → · Contrast checker → · Palette generator →