#0F234F#0F234F

#0F234F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 26.9% C 0.085 H 263.4°. Best body text is #FFFFFF at 15.29:1 contrast (WCAG AA passes).

Color values

HEX	#0F234F
RGB	rgb(15, 35, 79)
HSL	hsl(221, 68%, 18%)
HSV	hsv(221, 81%, 31%)
CMYK	cmyk(81%, 55.7%, 0%, 69%)
CIE-LAB	lab(14.78, 10.02, -29.42)
CIE-LCH	lch(14.78, 31.08, 288.81°)
OKLab	oklab(26.88% -0.0098 -0.0846)
OKLCH	oklch(26.88% 0.085 263.4)
XYZ	xyz(2.2088, 1.8679, 7.6397)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F234F #4F3B0F

analogous

#0F434F #0F234F #1B0F4F

triadic

#0F234F #4F0F23 #234F0F

tetradic

#0F234F #4F0F43 #4F3B0F #0F4F1B

square

#0F234F #4F0F43 #4F3B0F #0F4F1B

split-complementary

#0F234F #4F1B0F #434F0F

monochromatic

#050B1A #050C1C #0F234F #193A82 #2351B6

Accessibility & contrast

On white

15.29

#0F234F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0F234F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F234F

15.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F234F	#FFFFFF	#000000	##FFFFFF
##0F234F	1.00	15.29	1.37	15.29
#FFFFFF	15.29	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082851

Deuteranopia (green-blind)

#00224E

Tritanopia (blue-blind)

#002E35

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0f234f;
/* rgb */ color: rgb(15, 35, 79);
/* oklch */ color: oklch(26.9% 0.085 263.4);

Tailwind

colors: {
  custom: {
    50: '#585d81',
    500: '#0f234f',
    950: '#000000',
  },
}

SCSS

$custom: #0f234f;
$custom-light: #585d81;
$custom-dark: #000000;

JSON

{
  "hex": "#0f234f",
  "rgb": {
    "r": 15,
    "g": 35,
    "b": 79
  },
  "hsl": {
    "h": 221.25,
    "s": 68.085,
    "l": 18.431
  },
  "oklch": {
    "l": 0.2688,
    "c": 0.08517,
    "h": 263.4
  },
  "luminance": 0.01868
}

Semantic roles & 50–950 ramp

primary

#0F234F

secondary

#896E31

accent

#B53DEB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #0F234F

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

Preview Lab → · Contrast checker → · Palette generator →