#0F154D#0F154D

#0F154D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.102 H 271.2°. Best body text is #FFFFFF at 17.01:1 contrast (WCAG AA passes).

Color values

HEX	#0F154D
RGB	rgb(15, 21, 77)
HSL	hsl(234, 67%, 18%)
HSV	hsv(234, 81%, 30%)
CMYK	cmyk(80.5%, 72.7%, 0%, 69.8%)
CIE-LAB	lab(10.36, 19.76, -35.24)
CIE-LCH	lch(10.36, 40.40, 299.28°)
OKLab	oklab(23.52% 0.0021 -0.1019)
OKLCH	oklch(23.52% 0.102 271.2)
XYZ	xyz(1.8043, 1.1735, 7.1512)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F154D #4D470F

analogous

#0F344D #0F154D #280F4D

triadic

#0F154D #4D0F15 #154D0F

tetradic

#0F154D #4D0F34 #4D470F #0F4D28

square

#0F154D #4D0F34 #4D470F #0F4D28

split-complementary

#0F154D #4D280F #344D0F

monochromatic

#05071A #05071A #0F154D #192380 #2331B3

Accessibility & contrast

On white

17.01

#0F154D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0F154D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F154D

17.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F154D	#FFFFFF	#000000	##FFFFFF
##0F154D	1.00	17.01	1.23	17.01
#FFFFFF	17.01	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4F

Deuteranopia (green-blind)

#00194C

Tritanopia (blue-blind)

#00242E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0f154d;
/* rgb */ color: rgb(15, 21, 77);
/* oklch */ color: oklch(23.5% 0.102 271.2);

Tailwind

colors: {
  custom: {
    50: '#59527f',
    500: '#0f154d',
    950: '#000000',
  },
}

SCSS

$custom: #0f154d;
$custom-light: #59527f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f154d",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 77
  },
  "hsl": {
    "h": 234.194,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23523,
    "c": 0.10192,
    "h": 271.2
  },
  "luminance": 0.01174
}

Semantic roles & 50–950 ramp

primary

#0F154D

secondary

#877F31

accent

#DA3EEA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F154D

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

Preview Lab → · Contrast checker → · Palette generator →