#0F1A5B#0F1A5B

#0F1A5B is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.116 H 268.8°. Best body text is #FFFFFF at 15.92:1 contrast (WCAG AA passes).

Color values

HEX	#0F1A5B
RGB	rgb(15, 26, 91)
HSL	hsl(231, 72%, 21%)
HSV	hsv(231, 84%, 36%)
CMYK	cmyk(83.5%, 71.4%, 0%, 64.3%)
CIE-LAB	lab(13.20, 21.91, -40.11)
CIE-LCH	lch(13.20, 45.70, 298.65°)
OKLab	oklab(26.05% -0.0024 -0.1161)
OKLCH	oklch(26.05% 0.116 268.8)
XYZ	xyz(2.4541, 1.5954, 10.0741)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1A5B #5B500F

analogous

#0F405B #0F1A5B #2A0F5B

triadic

#0F1A5B #5B0F1A #1A5B0F

tetradic

#0F1A5B #5B0F40 #5B500F #0F5B2A

square

#0F1A5B #5B0F40 #5B500F #0F5B2A

split-complementary

#0F1A5B #5B2A0F #405B0F

monochromatic

#04081A #060B26 #0F1A5B #182990 #2038C4

Accessibility & contrast

On white

15.92

#0F1A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0F1A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1A5B

15.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1A5B	#FFFFFF	#000000	##FFFFFF
##0F1A5B	1.00	15.92	1.32	15.92
#FFFFFF	15.92	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265D

Deuteranopia (green-blind)

#001E5A

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0f1a5b;
/* rgb */ color: rgb(15, 26, 91);
/* oklch */ color: oklch(26.0% 0.116 268.8);

Tailwind

colors: {
  custom: {
    50: '#5c568a',
    500: '#0f1a5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f1a5b;
$custom-light: #5c568a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1a5b",
  "rgb": {
    "r": 15,
    "g": 26,
    "b": 91
  },
  "hsl": {
    "h": 231.316,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.26048,
    "c": 0.11612,
    "h": 268.8
  },
  "luminance": 0.01596
}

Semantic roles & 50–950 ramp

primary

#0F1A5B

secondary

#958631

accent

#D439EE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1A5B

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

Preview Lab → · Contrast checker → · Palette generator →