#0F3B7F#0F3B7F

#0F3B7F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.7% C 0.125 H 259.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B7F
RGB	rgb(15, 59, 127)
HSL	hsl(216, 79%, 28%)
HSV	hsv(216, 88%, 50%)
CMYK	cmyk(88.2%, 53.5%, 0%, 50.2%)
CIE-LAB	lab(26.04, 13.23, -42.51)
CIE-LCH	lch(26.04, 44.52, 287.28°)
OKLab	oklab(36.68% -0.0228 -0.1226)
OKLCH	oklch(36.68% 0.125 259.4)
XYZ	xyz(5.5903, 4.7611, 20.6989)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B7F #7F530F

analogous

#0F737F #0F3B7F #1B0F7F

triadic

#0F3B7F #7F0F3B #3B7F0F

tetradic

#0F3B7F #7F0F73 #7F530F #0F7F1B

square

#0F3B7F #7F0F73 #7F530F #0F7F1B

split-complementary

#0F3B7F #7F1B0F #737F0F

monochromatic

#030D1B #092248 #0F3B7F #1554B6 #236FE5

Accessibility & contrast

On white

10.76

#0F3B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#0F3B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B7F

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B7F	#FFFFFF	#000000	##FFFFFF
##0F3B7F	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4381

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #0f3b7f;
/* rgb */ color: rgb(15, 59, 127);
/* oklch */ color: oklch(36.7% 0.125 259.4);

Tailwind

colors: {
  custom: {
    50: '#6470a5',
    500: '#0f3b7f',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b7f;
$custom-light: #6470a5;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b7f",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 127
  },
  "hsl": {
    "h": 216.429,
    "s": 78.873,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36675,
    "c": 0.12469,
    "h": 259.4
  },
  "luminance": 0.04762
}

Semantic roles & 50–950 ramp

primary

#0F3B7F

secondary

#B58334

accent

#A932F5

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #0F3B7F

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

Preview Lab → · Contrast checker → · Palette generator →