#0F3570#0F3570

#0F3570 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.111 H 259.4°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX#0F3570
RGBrgb(15, 53, 112)
HSLhsl(216, 76%, 25%)
HSVhsv(216, 87%, 44%)
CMYKcmyk(86.6%, 52.7%, 0%, 56.1%)
CIE-LABlab(23.06, 11.10, -37.83)
CIE-LCHlch(23.06, 39.42, 286.35°)
OKLaboklab(34.03% -0.0205 -0.1089)
OKLCHoklch(34.03% 0.111 259.4)
XYZxyz(4.3937, 3.8171, 15.8313)
Luminance0.0382 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0F3570 #704A0F
analogous
#0F6570 #0F3570 #1A0F70
triadic
#0F3570 #700F35 #35700F
tetradic
#0F3570 #700F65 #704A0F #0F701A
square
#0F3570 #700F65 #704A0F #0F701A
split-complementary
#0F3570 #701A0F #65700F
monochromatic
#040D1B #081B3A #0F3570 #164FA6 #1D68DC

Accessibility & contrast

On white

11.91
#0F3570 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.76
#0F3570 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3570
11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0F3570#FFFFFF#000000##FFFFFF
##0F35701.0011.911.7611.91
#FFFFFF11.911.0021.001.00
#0000001.7621.001.0021.00
##FFFFFF11.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#103C72
Deuteranopia (green-blind)
#00336F
Tritanopia (blue-blind)
#00434D
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #0f3570;
/* rgb */ color: rgb(15, 53, 112);
/* oklch */ color: oklch(34.0% 0.111 259.4);
Tailwind
colors: {
  custom: {
    50: '#606b99',
    500: '#0f3570',
    950: '#000000',
  },
}
SCSS
$custom: #0f3570;
$custom-light: #606b99;
$custom-dark: #000000;
JSON
{
  "hex": "#0f3570",
  "rgb": {
    "r": 15,
    "g": 53,
    "b": 112
  },
  "hsl": {
    "h": 216.495,
    "s": 76.378,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34026,
    "c": 0.11084,
    "h": 259.4
  },
  "luminance": 0.03818
}

Semantic roles & 50–950 ramp

primary
#0F3570
secondary
#A87A33
accent
#A835F3
background
#F6F6F9
surface
#EBEBF2
border
#C6C6CC
text
#06060E
muted
#7A7A7E

Preview Lab

Preview with #0F3570

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

Preview Lab → · Contrast checker → · Palette generator →

#0F3570 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva