#0F034E#0F034E

#0F034E is a very dark, vivid blue. Relative luminance 0.007; OKLCH L 20.7% C 0.123 H 275.3°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#0F034E
RGB	rgb(15, 3, 78)
HSL	hsl(250, 93%, 16%)
HSV	hsv(250, 96%, 31%)
CMYK	cmyk(80.8%, 96.2%, 0%, 69.4%)
CIE-LAB	lab(6.47, 31.39, -42.35)
CIE-LCH	lch(6.47, 52.72, 306.55°)
OKLab	oklab(20.75% 0.0114 -0.1229)
OKLCH	oklch(20.75% 0.123 275.3)
XYZ	xyz(1.6043, 0.7166, 7.2600)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F034E #424E03

analogous

#031C4E #0F034E #34034E

triadic

#0F034E #4E0F03 #034E0F

tetradic

#0F034E #4E031C #424E03 #034E34

square

#0F034E #4E031C #424E03 #034E34

split-complementary

#0F034E #4E3403 #1C4E03

monochromatic

#06011D #06011D #0F034E #1A0589 #2608C4

Accessibility & contrast

On white

18.37

#0F034E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0F034E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F034E

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F034E	#FFFFFF	#000000	##FFFFFF
##0F034E	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001750

Deuteranopia (green-blind)

#00114D

Tritanopia (blue-blind)

#001C2B

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0f034e;
/* rgb */ color: rgb(15, 3, 78);
/* oklch */ color: oklch(20.7% 0.123 275.3);

Tailwind

colors: {
  custom: {
    50: '#5b4781',
    500: '#0f034e',
    950: '#000000',
  },
}

SCSS

$custom: #0f034e;
$custom-light: #5b4781;
$custom-dark: #000000;

JSON

{
  "hex": "#0f034e",
  "rgb": {
    "r": 15,
    "g": 3,
    "b": 78
  },
  "hsl": {
    "h": 249.6,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.20745,
    "c": 0.12338,
    "h": 275.3
  },
  "luminance": 0.00717
}

Semantic roles & 50–950 ramp

primary

#0F034E

secondary

#7C8E1E

accent

#FF29DD

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#05000A

muted

#79777C

Preview Lab

Preview with #0F034E

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

Preview Lab → · Contrast checker → · Palette generator →