#0F274B#0F274B

#0F274B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.6% C 0.073 H 258.5°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#0F274B
RGB	rgb(15, 39, 75)
HSL	hsl(216, 67%, 18%)
HSV	hsv(216, 80%, 29%)
CMYK	cmyk(80%, 48%, 0%, 70.6%)
CIE-LAB	lab(15.80, 5.25, -25.05)
CIE-LCH	lch(15.80, 25.60, 281.84°)
OKLab	oklab(27.57% -0.0146 -0.0717)
OKLCH	oklch(27.57% 0.073 258.5)
XYZ	xyz(2.1921, 2.0604, 6.9374)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F274B #4B330F

analogous

#0F454B #0F274B #150F4B

triadic

#0F274B #4B0F27 #274B0F

tetradic

#0F274B #4B0F45 #4B330F #0F4B15

square

#0F274B #4B0F45 #4B330F #0F4B15

split-complementary

#0F274B #4B150F #454B0F

monochromatic

#050D1A #050D1A #0F274B #19427E #235CB1

Accessibility & contrast

On white

14.87

#0F274B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0F274B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F274B

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F274B	#FFFFFF	#000000	##FFFFFF
##0F274B	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152A4C

Deuteranopia (green-blind)

#0A254A

Tritanopia (blue-blind)

#002F35

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0f274b;
/* rgb */ color: rgb(15, 39, 75);
/* oklch */ color: oklch(27.6% 0.073 258.5);

Tailwind

colors: {
  custom: {
    50: '#57607d',
    500: '#0f274b',
    950: '#000000',
  },
}

SCSS

$custom: #0f274b;
$custom-light: #57607d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f274b",
  "rgb": {
    "r": 15,
    "g": 39,
    "b": 75
  },
  "hsl": {
    "h": 216,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.27569,
    "c": 0.07314,
    "h": 258.5
  },
  "luminance": 0.02061
}

Semantic roles & 50–950 ramp

primary

#0F274B

secondary

#856330

accent

#A53EEA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03040A

muted

#78797C

Preview Lab

Preview with #0F274B

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

Preview Lab → · Contrast checker → · Palette generator →