#0F1550#0F1550

#0F1550 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.9% C 0.106 H 271.0°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#0F1550
RGB	rgb(15, 21, 80)
HSL	hsl(234, 68%, 19%)
HSV	hsv(234, 81%, 31%)
CMYK	cmyk(81.3%, 73.7%, 0%, 68.6%)
CIE-LAB	lab(10.68, 20.99, -36.78)
CIE-LCH	lch(10.68, 42.35, 299.71°)
OKLab	oklab(23.85% 0.0018 -0.1064)
OKLCH	oklch(23.85% 0.106 271)
XYZ	xyz(1.9126, 1.2169, 7.7219)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1550 #504A0F

analogous

#0F3550 #0F1550 #290F50

triadic

#0F1550 #500F15 #15500F

tetradic

#0F1550 #500F35 #504A0F #0F5029

square

#0F1550 #500F35 #504A0F #0F5029

split-complementary

#0F1550 #50290F #35500F

monochromatic

#05071A #05071C #0F1550 #192384 #2230B7

Accessibility & contrast

On white

16.89

#0F1550 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0F1550 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1550

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1550	#FFFFFF	#000000	##FFFFFF
##0F1550	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002052

Deuteranopia (green-blind)

#001A4F

Tritanopia (blue-blind)

#002530

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0f1550;
/* rgb */ color: rgb(15, 21, 80);
/* oklch */ color: oklch(23.9% 0.106 271.0);

Tailwind

colors: {
  custom: {
    50: '#5a5282',
    500: '#0f1550',
    950: '#000000',
  },
}

SCSS

$custom: #0f1550;
$custom-light: #5a5282;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1550",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 80
  },
  "hsl": {
    "h": 234.462,
    "s": 68.421,
    "l": 18.627
  },
  "oklch": {
    "l": 0.23854,
    "c": 0.10642,
    "h": 271
  },
  "luminance": 0.01217
}

Semantic roles & 50–950 ramp

primary

#0F1550

secondary

#8A8231

accent

#DB3DEB

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F1550

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

Preview Lab → · Contrast checker → · Palette generator →