#0F2B5A#0F2B5A

#0F2B5A is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.8% C 0.091 H 260.2°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#0F2B5A
RGB	rgb(15, 43, 90)
HSL	hsl(218, 71%, 21%)
HSV	hsv(218, 83%, 35%)
CMYK	cmyk(83.3%, 52.2%, 0%, 64.7%)
CIE-LAB	lab(18.22, 8.84, -31.28)
CIE-LCH	lch(18.22, 32.50, 285.79°)
OKLab	oklab(29.79% -0.0156 -0.0899)
OKLCH	oklch(29.79% 0.091 260.2)
XYZ	xyz(2.9057, 2.5672, 10.0132)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2B5A #5A3E0F

analogous

#0F505A #0F2B5A #180F5A

triadic

#0F2B5A #5A0F2B #2B5A0F

tetradic

#0F2B5A #5A0F50 #5A3E0F #0F5A18

square

#0F2B5A #5A0F50 #5A3E0F #0F5A18

split-complementary

#0F2B5A #5A180F #505A0F

monochromatic

#040D1A #061226 #0F2B5A #18448E #205DC3

Accessibility & contrast

On white

13.88

#0F2B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0F2B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2B5A

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2B5A	#FFFFFF	#000000	##FFFFFF
##0F2B5A	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10305C

Deuteranopia (green-blind)

#002959

Tritanopia (blue-blind)

#00363E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0f2b5a;
/* rgb */ color: rgb(15, 43, 90);
/* oklch */ color: oklch(29.8% 0.091 260.2);

Tailwind

colors: {
  custom: {
    50: '#5b6389',
    500: '#0f2b5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f2b5a;
$custom-light: #5b6389;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2b5a",
  "rgb": {
    "r": 15,
    "g": 43,
    "b": 90
  },
  "hsl": {
    "h": 217.6,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.29785,
    "c": 0.09122,
    "h": 260.2
  },
  "luminance": 0.02567
}

Semantic roles & 50–950 ramp

primary

#0F2B5A

secondary

#946F31

accent

#AB3AEE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2B5A

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

Preview Lab → · Contrast checker → · Palette generator →