#0F2D5B#0F2D5B

#0F2D5B is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.090 H 259.0°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#0F2D5B
RGB	rgb(15, 45, 91)
HSL	hsl(216, 72%, 21%)
HSV	hsv(216, 84%, 36%)
CMYK	cmyk(83.5%, 50.5%, 0%, 64.3%)
CIE-LAB	lab(18.94, 7.80, -30.78)
CIE-LCH	lch(18.94, 31.75, 284.23°)
OKLab	oklab(30.36% -0.0172 -0.0884)
OKLCH	oklch(30.36% 0.09 259)
XYZ	xyz(3.0230, 2.7333, 10.2638)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2D5B #5B3D0F

analogous

#0F535B #0F2D5B #170F5B

triadic

#0F2D5B #5B0F2D #2D5B0F

tetradic

#0F2D5B #5B0F53 #5B3D0F #0F5B17

square

#0F2D5B #5B0F53 #5B3D0F #0F5B17

split-complementary

#0F2D5B #5B170F #535B0F

monochromatic

#040D1A #061326 #0F2D5B #184790 #2061C4

Accessibility & contrast

On white

13.58

#0F2D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0F2D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2D5B

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2D5B	#FFFFFF	#000000	##FFFFFF
##0F2D5B	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14325D

Deuteranopia (green-blind)

#022B5A

Tritanopia (blue-blind)

#00383F

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0f2d5b;
/* rgb */ color: rgb(15, 45, 91);
/* oklch */ color: oklch(30.4% 0.090 259.0);

Tailwind

colors: {
  custom: {
    50: '#5b658a',
    500: '#0f2d5b',
    950: '#000000',
  },
}

SCSS

$custom: #0f2d5b;
$custom-light: #5b658a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2d5b",
  "rgb": {
    "r": 15,
    "g": 45,
    "b": 91
  },
  "hsl": {
    "h": 216.316,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30364,
    "c": 0.09002,
    "h": 259
  },
  "luminance": 0.02734
}

Semantic roles & 50–950 ramp

primary

#0F2D5B

secondary

#956D31

accent

#A739EE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04050B

muted

#797A7C

Preview Lab

Preview with #0F2D5B

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

Preview Lab → · Contrast checker → · Palette generator →