#0F173F#0F173F

#0F173F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.5% C 0.077 H 270.5°. Best body text is #FFFFFF at 17.29:1 contrast (WCAG AA passes).

Color values

HEX	#0F173F
RGB	rgb(15, 23, 63)
HSL	hsl(230, 62%, 15%)
HSV	hsv(230, 76%, 25%)
CMYK	cmyk(76.2%, 63.5%, 0%, 75.3%)
CIE-LAB	lab(9.59, 12.29, -26.71)
CIE-LCH	lch(9.59, 29.40, 294.71°)
OKLab	oklab(22.53% 0.0007 -0.0768)
OKLCH	oklch(22.53% 0.077 270.5)
XYZ	xyz(1.4003, 1.0731, 4.8350)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F173F #3F370F

analogous

#0F2F3F #0F173F #1F0F3F

triadic

#0F173F #3F0F17 #173F0F

tetradic

#0F173F #3F0F2F #3F370F #0F3F1F

square

#0F173F #3F0F2F #3F370F #0F3F1F

split-complementary

#0F173F #3F1F0F #2F3F0F

monochromatic

#060919 #060919 #0F173F #1B2970 #273BA2

Accessibility & contrast

On white

17.29

#0F173F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0F173F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F173F

17.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F173F	#FFFFFF	#000000	##FFFFFF
##0F173F	1.00	17.29	1.21	17.29
#FFFFFF	17.29	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D40

Deuteranopia (green-blind)

#00193E

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0f173f;
/* rgb */ color: rgb(15, 23, 63);
/* oklch */ color: oklch(22.5% 0.077 270.5);

Tailwind

colors: {
  custom: {
    50: '#545374',
    500: '#0f173f',
    950: '#000000',
  },
}

SCSS

$custom: #0f173f;
$custom-light: #545374;
$custom-dark: #000000;

JSON

{
  "hex": "#0f173f",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 63
  },
  "hsl": {
    "h": 230,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.22526,
    "c": 0.07684,
    "h": 270.5
  },
  "luminance": 0.01073
}

Semantic roles & 50–950 ramp

primary

#0F173F

secondary

#796D30

accent

#CA43E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0F173F

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

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