#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
RGB	rgb(15, 53, 112)
HSL	hsl(216, 76%, 25%)
HSV	hsv(216, 87%, 44%)
CMYK	cmyk(86.6%, 52.7%, 0%, 56.1%)
CIE-LAB	lab(23.06, 11.10, -37.83)
CIE-LCH	lch(23.06, 39.42, 286.35°)
OKLab	oklab(34.03% -0.0205 -0.1089)
OKLCH	oklch(34.03% 0.111 259.4)
XYZ	xyz(4.3937, 3.8171, 15.8313)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

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
##0F3570	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

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 →