#0F1741#0F1741

#0F1741 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.080 H 270.5°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#0F1741
RGB	rgb(15, 23, 65)
HSL	hsl(230, 63%, 16%)
HSV	hsv(230, 77%, 25%)
CMYK	cmyk(76.9%, 64.6%, 0%, 74.5%)
CIE-LAB	lab(9.77, 13.15, -27.83)
CIE-LCH	lch(9.77, 30.78, 295.29°)
OKLab	oklab(22.72% 0.0007 -0.0801)
OKLCH	oklch(22.72% 0.08 270.5)
XYZ	xyz(1.4572, 1.0959, 5.1347)
Luminance	0.0110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1741 #41390F

analogous

#0F3041 #0F1741 #200F41

triadic

#0F1741 #410F17 #17410F

tetradic

#0F1741 #410F30 #41390F #0F4120

square

#0F1741 #410F30 #41390F #0F4120

split-complementary

#0F1741 #41200F #30410F

monochromatic

#060919 #060919 #0F1741 #1A2973 #263AA4

Accessibility & contrast

On white

17.22

#0F1741 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0F1741 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1741

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1741	#FFFFFF	#000000	##FFFFFF
##0F1741	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D42

Deuteranopia (green-blind)

#001940

Tritanopia (blue-blind)

#002129

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0f1741;
/* rgb */ color: rgb(15, 23, 65);
/* oklch */ color: oklch(22.7% 0.080 270.5);

Tailwind

colors: {
  custom: {
    50: '#555376',
    500: '#0f1741',
    950: '#000000',
  },
}

SCSS

$custom: #0f1741;
$custom-light: #555376;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1741",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 65
  },
  "hsl": {
    "h": 230.4,
    "s": 62.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.22717,
    "c": 0.08014,
    "h": 270.5
  },
  "luminance": 0.01096
}

Semantic roles & 50–950 ramp

primary

#0F1741

secondary

#7B6F30

accent

#CB42E6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0F1741

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

Preview Lab → · Contrast checker → · Palette generator →