#0F3370#0F3370

#0F3370 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.114 H 260.4°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#0F3370
RGB	rgb(15, 51, 112)
HSL	hsl(218, 76%, 25%)
HSV	hsv(218, 87%, 44%)
CMYK	cmyk(86.6%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(22.44, 12.54, -38.83)
CIE-LCH	lch(22.44, 40.80, 287.90°)
OKLab	oklab(33.55% -0.0189 -0.1119)
OKLCH	oklch(33.55% 0.114 260.4)
XYZ	xyz(4.3044, 3.6385, 15.8015)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3370 #704C0F

analogous

#0F6470 #0F3370 #1C0F70

triadic

#0F3370 #700F33 #33700F

tetradic

#0F3370 #700F64 #704C0F #0F701C

square

#0F3370 #700F64 #704C0F #0F701C

split-complementary

#0F3370 #701C0F #64700F

monochromatic

#040C1B #081A3A #0F3370 #164CA6 #1D64DC

Accessibility & contrast

On white

12.15

#0F3370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0F3370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3370

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3370	#FFFFFF	#000000	##FFFFFF
##0F3370	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#083A72

Deuteranopia (green-blind)

#00316F

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0f3370;
/* rgb */ color: rgb(15, 51, 112);
/* oklch */ color: oklch(33.6% 0.114 260.4);

Tailwind

colors: {
  custom: {
    50: '#606a9a',
    500: '#0f3370',
    950: '#000000',
  },
}

SCSS

$custom: #0f3370;
$custom-light: #606a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3370",
  "rgb": {
    "r": 15,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 217.732,
    "s": 76.378,
    "l": 24.902
  },
  "oklch": {
    "l": 0.33553,
    "c": 0.11351,
    "h": 260.4
  },
  "luminance": 0.03639
}

Semantic roles & 50–950 ramp

primary

#0F3370

secondary

#A87C33

accent

#AC35F3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #0F3370

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

Preview Lab → · Contrast checker → · Palette generator →