#0F2558#0F2558

#0F2558 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.2% C 0.097 H 263.7°. Best body text is #FFFFFF at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#0F2558
RGB	rgb(15, 37, 88)
HSL	hsl(222, 71%, 20%)
HSV	hsv(222, 83%, 35%)
CMYK	cmyk(83%, 58%, 0%, 65.5%)
CIE-LAB	lab(16.15, 12.45, -33.29)
CIE-LCH	lch(16.15, 35.54, 290.51°)
OKLab	oklab(28.16% -0.0105 -0.0959)
OKLCH	oklch(28.16% 0.097 263.7)
XYZ	xyz(2.6194, 2.1290, 9.5035)
Luminance	0.0213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2558 #58420F

analogous

#0F4958 #0F2558 #1E0F58

triadic

#0F2558 #580F25 #25580F

tetradic

#0F2558 #580F49 #58420F #0F581E

square

#0F2558 #580F49 #58420F #0F581E

split-complementary

#0F2558 #581E0F #49580F

monochromatic

#040B1A #060F24 #0F2558 #183B8C #2151C1

Accessibility & contrast

On white

14.73

#0F2558 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0F2558 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2558

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2558	#FFFFFF	#000000	##FFFFFF
##0F2558	1.00	14.73	1.43	14.73
#FFFFFF	14.73	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012C5A

Deuteranopia (green-blind)

#002557

Tritanopia (blue-blind)

#00313A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0f2558;
/* rgb */ color: rgb(15, 37, 88);
/* oklch */ color: oklch(28.2% 0.097 263.7);

Tailwind

colors: {
  custom: {
    50: '#5a5f88',
    500: '#0f2558',
    950: '#000000',
  },
}

SCSS

$custom: #0f2558;
$custom-light: #5a5f88;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2558",
  "rgb": {
    "r": 15,
    "g": 37,
    "b": 88
  },
  "hsl": {
    "h": 221.918,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28156,
    "c": 0.0965,
    "h": 263.7
  },
  "luminance": 0.02129
}

Semantic roles & 50–950 ramp

primary

#0F2558

secondary

#927531

accent

#B83AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040B

muted

#79797C

Preview Lab

Preview with #0F2558

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

Preview Lab → · Contrast checker → · Palette generator →