#0F2C5B#0F2C5B

#0F2C5B is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.1% C 0.091 H 259.7°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#0F2C5B
RGB	rgb(15, 44, 91)
HSL	hsl(217, 72%, 21%)
HSV	hsv(217, 84%, 36%)
CMYK	cmyk(83.5%, 51.6%, 0%, 64.3%)
CIE-LAB	lab(18.62, 8.54, -31.30)
CIE-LCH	lch(18.62, 32.44, 285.26°)
OKLab	oklab(30.12% -0.0163 -0.0899)
OKLCH	oklch(30.12% 0.091 259.7)
XYZ	xyz(2.9853, 2.6579, 10.2512)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2C5B #5B3E0F

analogous

#0F525B #0F2C5B #180F5B

triadic

#0F2C5B #5B0F2C #2C5B0F

tetradic

#0F2C5B #5B0F52 #5B3E0F #0F5B18

square

#0F2C5B #5B0F52 #5B3E0F #0F5B18

split-complementary

#0F2C5B #5B180F #525B0F

monochromatic

#040D1A #061326 #0F2C5B #184590 #205FC4

Accessibility & contrast

On white

13.71

#0F2C5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0F2C5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2C5B

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2C5B	#FFFFFF	#000000	##FFFFFF
##0F2C5B	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11315D

Deuteranopia (green-blind)

#002A5A

Tritanopia (blue-blind)

#00373F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0f2c5b;
/* rgb */ color: rgb(15, 44, 91);
/* oklch */ color: oklch(30.1% 0.091 259.7);

Tailwind

colors: {
  custom: {
    50: '#5b648a',
    500: '#0f2c5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f2c5b;
$custom-light: #5b648a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2c5b",
  "rgb": {
    "r": 15,
    "g": 44,
    "b": 91
  },
  "hsl": {
    "h": 217.105,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30115,
    "c": 0.09139,
    "h": 259.7
  },
  "luminance": 0.02658
}

Semantic roles & 50–950 ramp

primary

#0F2C5B

secondary

#956F31

accent

#A939EE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2C5B

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

Preview Lab → · Contrast checker → · Palette generator →