#0F275D#0F275D

#0F275D is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.1% C 0.101 H 263.4°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#0F275D
RGB	rgb(15, 39, 93)
HSL	hsl(222, 72%, 21%)
HSV	hsv(222, 84%, 36%)
CMYK	cmyk(83.9%, 58.1%, 0%, 63.5%)
CIE-LAB	lab(17.19, 13.13, -34.93)
CIE-LCH	lch(17.19, 37.32, 290.60°)
OKLab	oklab(29.08% -0.0117 -0.1007)
OKLCH	oklch(29.08% 0.101 263.4)
XYZ	xyz(2.8976, 2.3426, 10.6533)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F275D #5D450F

analogous

#0F4E5D #0F275D #1E0F5D

triadic

#0F275D #5D0F27 #275D0F

tetradic

#0F275D #5D0F4E #5D450F #0F5D1E

square

#0F275D #5D0F4E #5D450F #0F5D1E

split-complementary

#0F275D #5D1E0F #4E5D0F

monochromatic

#040B1A #061128 #0F275D #173D92 #2053C6

Accessibility & contrast

On white

14.30

#0F275D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#0F275D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F275D

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F275D	#FFFFFF	#000000	##FFFFFF
##0F275D	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E5F

Deuteranopia (green-blind)

#00275C

Tritanopia (blue-blind)

#00343D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0f275d;
/* rgb */ color: rgb(15, 39, 93);
/* oklch */ color: oklch(29.1% 0.101 263.4);

Tailwind

colors: {
  custom: {
    50: '#5c608b',
    500: '#0f275d',
    950: '#000000',
  },
}

SCSS

$custom: #0f275d;
$custom-light: #5c608b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f275d",
  "rgb": {
    "r": 15,
    "g": 39,
    "b": 93
  },
  "hsl": {
    "h": 221.538,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.29076,
    "c": 0.10141,
    "h": 263.4
  },
  "luminance": 0.02343
}

Semantic roles & 50–950 ramp

primary

#0F275D

secondary

#967731

accent

#B739EF

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #0F275D

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

Preview Lab → · Contrast checker → · Palette generator →