#0F1740#0F1740

#0F1740 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.6% C 0.078 H 270.5°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#0F1740
RGB	rgb(15, 23, 64)
HSL	hsl(230, 62%, 15%)
HSV	hsv(230, 77%, 25%)
CMYK	cmyk(76.6%, 64.1%, 0%, 74.9%)
CIE-LAB	lab(9.68, 12.72, -27.27)
CIE-LCH	lch(9.68, 30.09, 295.00°)
OKLab	oklab(22.62% 0.0007 -0.0785)
OKLCH	oklch(22.62% 0.078 270.5)
XYZ	xyz(1.4285, 1.0844, 4.9835)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1740 #40380F

analogous

#0F2F40 #0F1740 #1F0F40

triadic

#0F1740 #400F17 #17400F

tetradic

#0F1740 #400F2F #40380F #0F401F

square

#0F1740 #400F2F #40380F #0F401F

split-complementary

#0F1740 #401F0F #2F400F

monochromatic

#060919 #060919 #0F1740 #1B2972 #263BA3

Accessibility & contrast

On white

17.26

#0F1740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0F1740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1740

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1740	#FFFFFF	#000000	##FFFFFF
##0F1740	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D41

Deuteranopia (green-blind)

#00193F

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0f1740;
/* rgb */ color: rgb(15, 23, 64);
/* oklch */ color: oklch(22.6% 0.078 270.5);

Tailwind

colors: {
  custom: {
    50: '#555375',
    500: '#0f1740',
    950: '#000000',
  },
}

SCSS

$custom: #0f1740;
$custom-light: #555375;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1740",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 64
  },
  "hsl": {
    "h": 230.204,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.22621,
    "c": 0.07849,
    "h": 270.5
  },
  "luminance": 0.01085
}

Semantic roles & 50–950 ramp

primary

#0F1740

secondary

#7A6E30

accent

#CB43E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0F1740

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

Preview Lab → · Contrast checker → · Palette generator →