#0F1557#0F1557

#0F1557 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.117 H 270.5°. Best body text is #FFFFFF at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#0F1557
RGB	rgb(15, 21, 87)
HSL	hsl(235, 71%, 20%)
HSV	hsv(235, 83%, 34%)
CMYK	cmyk(82.8%, 75.9%, 0%, 65.9%)
CIE-LAB	lab(11.45, 23.83, -40.28)
CIE-LCH	lch(11.45, 46.80, 300.60°)
OKLab	oklab(24.65% 0.001 -0.1166)
OKLCH	oklch(24.65% 0.117 270.5)
XYZ	xyz(2.1849, 1.3258, 9.1557)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1557 #57510F

analogous

#0F3957 #0F1557 #2D0F57

triadic

#0F1557 #570F15 #15570F

tetradic

#0F1557 #570F39 #57510F #0F572D

square

#0F1557 #570F39 #57510F #0F572D

split-complementary

#0F1557 #572D0F #39570F

monochromatic

#05061A #060823 #0F1557 #18228B #212EBF

Accessibility & contrast

On white

16.60

#0F1557 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0F1557 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1557

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1557	#FFFFFF	#000000	##FFFFFF
##0F1557	1.00	16.60	1.27	16.60
#FFFFFF	16.60	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002259

Deuteranopia (green-blind)

#001B56

Tritanopia (blue-blind)

#002734

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0f1557;
/* rgb */ color: rgb(15, 21, 87);
/* oklch */ color: oklch(24.6% 0.117 270.5);

Tailwind

colors: {
  custom: {
    50: '#5c5287',
    500: '#0f1557',
    950: '#000000',
  },
}

SCSS

$custom: #0f1557;
$custom-light: #5c5287;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1557",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 87
  },
  "hsl": {
    "h": 235,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.24647,
    "c": 0.11663,
    "h": 270.5
  },
  "luminance": 0.01326
}

Semantic roles & 50–950 ramp

primary

#0F1557

secondary

#918931

accent

#DE3AED

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #0F1557

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

Preview Lab → · Contrast checker → · Palette generator →