#0F2B57#0F2B57

#0F2B57 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.5% C 0.087 H 259.3°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#0F2B57
RGB	rgb(15, 43, 87)
HSL	hsl(217, 71%, 20%)
HSV	hsv(217, 83%, 34%)
CMYK	cmyk(82.8%, 50.6%, 0%, 65.9%)
CIE-LAB	lab(18.00, 7.53, -29.64)
CIE-LCH	lch(18.00, 30.58, 284.26°)
OKLab	oklab(29.54% -0.0161 -0.085)
OKLCH	oklch(29.54% 0.087 259.3)
XYZ	xyz(2.7806, 2.5171, 9.3543)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2B57 #573B0F

analogous

#0F4F57 #0F2B57 #170F57

triadic

#0F2B57 #570F2B #2B570F

tetradic

#0F2B57 #570F4F #573B0F #0F5717

square

#0F2B57 #570F4F #573B0F #0F5717

split-complementary

#0F2B57 #57170F #4F570F

monochromatic

#050D1A #061123 #0F2B57 #18458B #215FBF

Accessibility & contrast

On white

13.97

#0F2B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#0F2B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2B57

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2B57	#FFFFFF	#000000	##FFFFFF
##0F2B57	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133059

Deuteranopia (green-blind)

#032956

Tritanopia (blue-blind)

#00353C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0f2b57;
/* rgb */ color: rgb(15, 43, 87);
/* oklch */ color: oklch(29.5% 0.087 259.3);

Tailwind

colors: {
  custom: {
    50: '#5a6387',
    500: '#0f2b57',
    950: '#000000',
  },
}

SCSS

$custom: #0f2b57;
$custom-light: #5a6387;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2b57",
  "rgb": {
    "r": 15,
    "g": 43,
    "b": 87
  },
  "hsl": {
    "h": 216.667,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.29541,
    "c": 0.08656,
    "h": 259.3
  },
  "luminance": 0.02517
}

Semantic roles & 50–950 ramp

primary

#0F2B57

secondary

#916C31

accent

#A83AED

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2B57

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

Preview Lab → · Contrast checker → · Palette generator →