#0F1843#0F1843

#0F1843 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.1% C 0.082 H 269.9°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#0F1843
RGB	rgb(15, 24, 67)
HSL	hsl(230, 63%, 16%)
HSV	hsv(230, 78%, 26%)
CMYK	cmyk(77.6%, 64.2%, 0%, 73.7%)
CIE-LAB	lab(10.26, 13.24, -28.44)
CIE-LCH	lch(10.26, 31.37, 294.96°)
OKLab	oklab(23.14% -0.0002 -0.0819)
OKLCH	oklch(23.14% 0.082 269.9)
XYZ	xyz(1.5364, 1.1599, 5.4520)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.06

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1843 #433A0F

analogous

#0F3243 #0F1843 #200F43

triadic

#0F1843 #430F18 #18430F

tetradic

#0F1843 #430F32 #433A0F #0F4320

square

#0F1843 #430F32 #433A0F #0F4320

split-complementary

#0F1843 #43200F #32430F

monochromatic

#060919 #060919 #0F1843 #1A2A75 #253CA7

Accessibility & contrast

On white

17.05

#0F1843 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0F1843 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1843

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1843	#FFFFFF	#000000	##FFFFFF
##0F1843	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E44

Deuteranopia (green-blind)

#001A42

Tritanopia (blue-blind)

#00232A

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0f1843;
/* rgb */ color: rgb(15, 24, 67);
/* oklch */ color: oklch(23.1% 0.082 269.9);

Tailwind

colors: {
  custom: {
    50: '#555477',
    500: '#0f1843',
    950: '#000000',
  },
}

SCSS

$custom: #0f1843;
$custom-light: #555477;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1843",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 67
  },
  "hsl": {
    "h": 229.615,
    "s": 63.415,
    "l": 16.078
  },
  "oklch": {
    "l": 0.23143,
    "c": 0.08192,
    "h": 269.9
  },
  "luminance": 0.0116
}

Semantic roles & 50–950 ramp

primary

#0F1843

secondary

#7D7030

accent

#CA41E6

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0F1843

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

Preview Lab → · Contrast checker → · Palette generator →