#0F3B7D#0F3B7D

#0F3B7D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.5% C 0.122 H 259.1°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#0F3B7D
RGB	rgb(15, 59, 125)
HSL	hsl(216, 79%, 27%)
HSV	hsv(216, 88%, 49%)
CMYK	cmyk(88%, 52.8%, 0%, 51%)
CIE-LAB	lab(25.89, 12.38, -41.50)
CIE-LCH	lch(25.89, 43.31, 286.61°)
OKLab	oklab(36.51% -0.0231 -0.1196)
OKLCH	oklch(36.51% 0.122 259.1)
XYZ	xyz(5.4613, 4.7095, 20.0192)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3B7D #7D510F

analogous

#0F727D #0F3B7D #1A0F7D

triadic

#0F3B7D #7D0F3B #3B7D0F

tetradic

#0F3B7D #7D0F72 #7D510F #0F7D1A

square

#0F3B7D #7D0F72 #7D510F #0F7D1A

split-complementary

#0F3B7D #7D1A0F #727D0F

monochromatic

#030D1B #082146 #0F3B7D #1655B4 #2270E4

Accessibility & contrast

On white

10.81

#0F3B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#0F3B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3B7D

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3B7D	#FFFFFF	#000000	##FFFFFF
##0F3B7D	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F427F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #0f3b7d;
/* rgb */ color: rgb(15, 59, 125);
/* oklch */ color: oklch(36.5% 0.122 259.1);

Tailwind

colors: {
  custom: {
    50: '#6470a3',
    500: '#0f3b7d',
    950: '#000000',
  },
}

SCSS

$custom: #0f3b7d;
$custom-light: #6470a3;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3b7d",
  "rgb": {
    "r": 15,
    "g": 59,
    "b": 125
  },
  "hsl": {
    "h": 216,
    "s": 78.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.3651,
    "c": 0.12182,
    "h": 259.1
  },
  "luminance": 0.0471
}

Semantic roles & 50–950 ramp

primary

#0F3B7D

secondary

#B48134

accent

#A733F5

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #0F3B7D

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

Preview Lab → · Contrast checker → · Palette generator →