#0F2A5B#0F2A5B

#0F2A5B is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.094 H 261.1°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#0F2A5B
RGB	rgb(15, 42, 91)
HSL	hsl(219, 72%, 21%)
HSV	hsv(219, 84%, 36%)
CMYK	cmyk(83.5%, 53.8%, 0%, 64.3%)
CIE-LAB	lab(17.98, 10.02, -32.34)
CIE-LCH	lch(17.98, 33.85, 287.22°)
OKLab	oklab(29.62% -0.0145 -0.093)
OKLCH	oklch(29.62% 0.094 261.1)
XYZ	xyz(2.9126, 2.5125, 10.2270)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2A5B #5B400F

analogous

#0F505B #0F2A5B #1A0F5B

triadic

#0F2A5B #5B0F2A #2A5B0F

tetradic

#0F2A5B #5B0F50 #5B400F #0F5B1A

square

#0F2A5B #5B0F50 #5B400F #0F5B1A

split-complementary

#0F2A5B #5B1A0F #505B0F

monochromatic

#040C1A #061226 #0F2A5B #184290 #205AC4

Accessibility & contrast

On white

13.98

#0F2A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#0F2A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2A5B

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2A5B	#FFFFFF	#000000	##FFFFFF
##0F2A5B	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C305D

Deuteranopia (green-blind)

#00295A

Tritanopia (blue-blind)

#00363E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0f2a5b;
/* rgb */ color: rgb(15, 42, 91);
/* oklch */ color: oklch(29.6% 0.094 261.1);

Tailwind

colors: {
  custom: {
    50: '#5b638a',
    500: '#0f2a5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f2a5b;
$custom-light: #5b638a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2a5b",
  "rgb": {
    "r": 15,
    "g": 42,
    "b": 91
  },
  "hsl": {
    "h": 218.684,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29622,
    "c": 0.09414,
    "h": 261.1
  },
  "luminance": 0.02513
}

Semantic roles & 50–950 ramp

primary

#0F2A5B

secondary

#957131

accent

#AE39EE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#04050C

muted

#79797D

Preview Lab

Preview with #0F2A5B

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

Preview Lab → · Contrast checker → · Palette generator →