#0F3770#0F3770

#0F3770 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.5% C 0.108 H 258.2°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#0F3770
RGB	rgb(15, 55, 112)
HSL	hsl(215, 76%, 25%)
HSV	hsv(215, 87%, 44%)
CMYK	cmyk(86.6%, 50.9%, 0%, 56.1%)
CIE-LAB	lab(23.68, 9.66, -36.82)
CIE-LCH	lch(23.68, 38.07, 284.70°)
OKLab	oklab(34.51% -0.0221 -0.1059)
OKLCH	oklch(34.51% 0.108 258.2)
XYZ	xyz(4.4867, 4.0032, 15.8623)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3770 #70480F

analogous

#0F6770 #0F3770 #180F70

triadic

#0F3770 #700F37 #37700F

tetradic

#0F3770 #700F67 #70480F #0F7018

square

#0F3770 #700F67 #70480F #0F7018

split-complementary

#0F3770 #70180F #67700F

monochromatic

#040D1B #081C3A #0F3770 #1652A6 #1D6CDC

Accessibility & contrast

On white

11.66

#0F3770 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#0F3770 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3770

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3770	#FFFFFF	#000000	##FFFFFF
##0F3770	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153D72

Deuteranopia (green-blind)

#00346F

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0f3770;
/* rgb */ color: rgb(15, 55, 112);
/* oklch */ color: oklch(34.5% 0.108 258.2);

Tailwind

colors: {
  custom: {
    50: '#606d99',
    500: '#0f3770',
    950: '#000000',
  },
}

SCSS

$custom: #0f3770;
$custom-light: #606d99;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3770",
  "rgb": {
    "r": 15,
    "g": 55,
    "b": 112
  },
  "hsl": {
    "h": 215.258,
    "s": 76.378,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34506,
    "c": 0.1082,
    "h": 258.2
  },
  "luminance": 0.04004
}

Semantic roles & 50–950 ramp

primary

#0F3770

secondary

#A87833

accent

#A535F3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #0F3770

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

Preview Lab → · Contrast checker → · Palette generator →