#0F305F#0F305F

#0F305F is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.4% C 0.092 H 258.0°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#0F305F
RGB	rgb(15, 48, 95)
HSL	hsl(215, 73%, 22%)
HSV	hsv(215, 84%, 37%)
CMYK	cmyk(84.2%, 49.5%, 0%, 62.7%)
CIE-LAB	lab(20.21, 7.35, -31.38)
CIE-LCH	lch(20.21, 32.23, 283.19°)
OKLab	oklab(31.43% -0.0192 -0.0901)
OKLCH	oklch(31.43% 0.092 258)
XYZ	xyz(3.3188, 3.0413, 11.2364)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F305F #5F3E0F

analogous

#0F585F #0F305F #160F5F

triadic

#0F305F #5F0F30 #305F0F

tetradic

#0F305F #5F0F58 #5F3E0F #0F5F16

square

#0F305F #5F0F58 #5F3E0F #0F5F16

split-complementary

#0F305F #5F160F #585F0F

monochromatic

#040D1A #07152A #0F305F #174B94 #2065C9

Accessibility & contrast

On white

13.06

#0F305F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#0F305F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F305F

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F305F	#FFFFFF	#000000	##FFFFFF
##0F305F	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173561

Deuteranopia (green-blind)

#042D5E

Tritanopia (blue-blind)

#003B42

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #0f305f;
/* rgb */ color: rgb(15, 48, 95);
/* oklch */ color: oklch(31.4% 0.092 258.0);

Tailwind

colors: {
  custom: {
    50: '#5c678d',
    500: '#0f305f',
    950: '#000000',
  },
}

SCSS

$custom: #0f305f;
$custom-light: #5c678d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f305f",
  "rgb": {
    "r": 15,
    "g": 48,
    "b": 95
  },
  "hsl": {
    "h": 215.25,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31433,
    "c": 0.09211,
    "h": 258
  },
  "luminance": 0.03042
}

Semantic roles & 50–950 ramp

primary

#0F305F

secondary

#986E32

accent

#A438EF

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #0F305F

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

Preview Lab → · Contrast checker → · Palette generator →