#0F2B59#0F2B59

#0F2B59 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.7% C 0.090 H 259.9°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#0F2B59
RGB	rgb(15, 43, 89)
HSL	hsl(217, 71%, 20%)
HSV	hsv(217, 83%, 35%)
CMYK	cmyk(83.1%, 51.7%, 0%, 65.1%)
CIE-LAB	lab(18.14, 8.40, -30.73)
CIE-LCH	lch(18.14, 31.86, 285.30°)
OKLab	oklab(29.7% -0.0157 -0.0883)
OKLCH	oklch(29.7% 0.09 259.9)
XYZ	xyz(2.8634, 2.5503, 9.7906)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2B59 #593D0F

analogous

#0F5059 #0F2B59 #180F59

triadic

#0F2B59 #590F2B #2B590F

tetradic

#0F2B59 #590F50 #593D0F #0F5918

square

#0F2B59 #590F50 #593D0F #0F5918

split-complementary

#0F2B59 #59180F #50590F

monochromatic

#040D1A #061225 #0F2B59 #18448D #215EC2

Accessibility & contrast

On white

13.91

#0F2B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0F2B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2B59

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2B59	#FFFFFF	#000000	##FFFFFF
##0F2B59	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11305B

Deuteranopia (green-blind)

#002958

Tritanopia (blue-blind)

#00363D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0f2b59;
/* rgb */ color: rgb(15, 43, 89);
/* oklch */ color: oklch(29.7% 0.090 259.9);

Tailwind

colors: {
  custom: {
    50: '#5a6388',
    500: '#0f2b59',
    950: '#000000',
  },
}

SCSS

$custom: #0f2b59;
$custom-light: #5a6388;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2b59",
  "rgb": {
    "r": 15,
    "g": 43,
    "b": 89
  },
  "hsl": {
    "h": 217.297,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.29703,
    "c": 0.08967,
    "h": 259.9
  },
  "luminance": 0.02551
}

Semantic roles & 50–950 ramp

primary

#0F2B59

secondary

#936E31

accent

#AA3AEE

background

#F5F5F8

surface

#E9EAF0

border

#C5C6CB

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2B59

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

Preview Lab → · Contrast checker → · Palette generator →