#0F2858#0F2858

#0F2858 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.9% C 0.092 H 261.8°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#0F2858
RGB	rgb(15, 40, 88)
HSL	hsl(219, 71%, 20%)
HSV	hsv(219, 83%, 35%)
CMYK	cmyk(83%, 54.5%, 0%, 65.5%)
CIE-LAB	lab(17.10, 10.20, -31.75)
CIE-LCH	lch(17.10, 33.35, 287.81°)
OKLab	oklab(28.88% -0.0132 -0.0913)
OKLCH	oklch(28.88% 0.092 261.8)
XYZ	xyz(2.7166, 2.3234, 9.5359)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2858 #583F0F

analogous

#0F4C58 #0F2858 #1A0F58

triadic

#0F2858 #580F28 #28580F

tetradic

#0F2858 #580F4C #583F0F #0F581A

square

#0F2858 #580F4C #583F0F #0F581A

split-complementary

#0F2858 #581A0F #4C580F

monochromatic

#040C1A #061024 #0F2858 #18408C #2158C1

Accessibility & contrast

On white

14.34

#0F2858 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#0F2858 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2858

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2858	#FFFFFF	#000000	##FFFFFF
##0F2858	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2E5A

Deuteranopia (green-blind)

#002757

Tritanopia (blue-blind)

#00343B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0f2858;
/* rgb */ color: rgb(15, 40, 88);
/* oklch */ color: oklch(28.9% 0.092 261.8);

Tailwind

colors: {
  custom: {
    50: '#5a6187',
    500: '#0f2858',
    950: '#000000',
  },
}

SCSS

$custom: #0f2858;
$custom-light: #5a6187;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2858",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 88
  },
  "hsl": {
    "h": 219.452,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28879,
    "c": 0.09227,
    "h": 261.8
  },
  "luminance": 0.02324
}

Semantic roles & 50–950 ramp

primary

#0F2858

secondary

#927131

accent

#B03AEE

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #0F2858

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

Preview Lab → · Contrast checker → · Palette generator →