#0F255F#0F255F

#0F255F is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.8% C 0.107 H 264.7°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#0F255F
RGB	rgb(15, 37, 95)
HSL	hsl(224, 73%, 22%)
HSV	hsv(224, 84%, 37%)
CMYK	cmyk(84.2%, 61.1%, 0%, 62.7%)
CIE-LAB	lab(16.75, 15.49, -36.98)
CIE-LCH	lch(16.75, 40.09, 292.73°)
OKLab	oklab(28.8% -0.01 -0.1068)
OKLCH	oklch(28.8% 0.107 264.7)
XYZ	xyz(2.9234, 2.2506, 11.1046)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F255F #5F490F

analogous

#0F4D5F #0F255F #210F5F

triadic

#0F255F #5F0F25 #255F0F

tetradic

#0F255F #5F0F4D #5F490F #0F5F21

square

#0F255F #5F0F4D #5F490F #0F5F21

split-complementary

#0F255F #5F210F #4D5F0F

monochromatic

#040A1A #07102A #0F255F #173A94 #204EC9

Accessibility & contrast

On white

14.48

#0F255F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#0F255F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F255F

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F255F	#FFFFFF	#000000	##FFFFFF
##0F255F	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D61

Deuteranopia (green-blind)

#00265E

Tritanopia (blue-blind)

#00343E

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0f255f;
/* rgb */ color: rgb(15, 37, 95);
/* oklch */ color: oklch(28.8% 0.107 264.7);

Tailwind

colors: {
  custom: {
    50: '#5c5f8d',
    500: '#0f255f',
    950: '#000000',
  },
}

SCSS

$custom: #0f255f;
$custom-light: #5c5f8d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f255f",
  "rgb": {
    "r": 15,
    "g": 37,
    "b": 95
  },
  "hsl": {
    "h": 223.5,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28798,
    "c": 0.10723,
    "h": 264.7
  },
  "luminance": 0.02251
}

Semantic roles & 50–950 ramp

primary

#0F255F

secondary

#987C32

accent

#BD38EF

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #0F255F

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

Preview Lab → · Contrast checker → · Palette generator →