#0F3571#0F3571

#0F3571 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.112 H 259.6°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#0F3571
RGB	rgb(15, 53, 113)
HSL	hsl(217, 77%, 25%)
HSV	hsv(217, 87%, 44%)
CMYK	cmyk(86.7%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(23.13, 11.53, -38.34)
CIE-LCH	lch(23.13, 40.04, 286.73°)
OKLab	oklab(34.11% -0.0203 -0.1105)
OKLCH	oklch(34.11% 0.112 259.6)
XYZ	xyz(4.4497, 3.8395, 16.1262)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3571 #714B0F

analogous

#0F6671 #0F3571 #1A0F71

triadic

#0F3571 #710F35 #35710F

tetradic

#0F3571 #710F66 #714B0F #0F711A

square

#0F3571 #710F66 #714B0F #0F711A

split-complementary

#0F3571 #711A0F #66710F

monochromatic

#040D1B #081C3B #0F3571 #164EA7 #1D68DD

Accessibility & contrast

On white

11.88

#0F3571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#0F3571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3571

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3571	#FFFFFF	#000000	##FFFFFF
##0F3571	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3C73

Deuteranopia (green-blind)

#003370

Tritanopia (blue-blind)

#00444D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #0f3571;
/* rgb */ color: rgb(15, 53, 113);
/* oklch */ color: oklch(34.1% 0.112 259.6);

Tailwind

colors: {
  custom: {
    50: '#616b9a',
    500: '#0f3571',
    950: '#000000',
  },
}

SCSS

$custom: #0f3571;
$custom-light: #616b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3571",
  "rgb": {
    "r": 15,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 216.735,
    "s": 76.563,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34109,
    "c": 0.11232,
    "h": 259.6
  },
  "luminance": 0.0384
}

Semantic roles & 50–950 ramp

primary

#0F3571

secondary

#A97B33

accent

#A935F3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #0F3571

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

Preview Lab → · Contrast checker → · Palette generator →