#0B1F56#0B1F56

#0B1F56 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.103 H 264.8°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#0B1F56
RGB	rgb(11, 31, 86)
HSL	hsl(224, 77%, 19%)
HSV	hsv(224, 87%, 34%)
CMYK	cmyk(87.2%, 64%, 0%, 66.3%)
CIE-LAB	lab(13.96, 15.64, -35.51)
CIE-LCH	lch(13.96, 38.80, 293.77°)
OKLab	oklab(26.4% -0.0093 -0.1026)
OKLCH	oklch(26.4% 0.103 264.8)
XYZ	xyz(2.3071, 1.7227, 9.0132)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1F56 #56420B

analogous

#0B4556 #0B1F56 #1D0B56

triadic

#0B1F56 #560B1F #1F560B

tetradic

#0B1F56 #560B45 #56420B #0B561D

square

#0B1F56 #560B45 #56420B #0B561D

split-complementary

#0B1F56 #561D0B #45560B

monochromatic

#030A1B #040B20 #0B1F56 #12338C #1946C3

Accessibility & contrast

On white

15.62

#0B1F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0B1F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1F56

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1F56	#FFFFFF	#000000	##FFFFFF
##0B1F56	1.00	15.62	1.34	15.62
#FFFFFF	15.62	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002758

Deuteranopia (green-blind)

#002055

Tritanopia (blue-blind)

#002D37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0b1f56;
/* rgb */ color: rgb(11, 31, 86);
/* oklch */ color: oklch(26.4% 0.103 264.8);

Tailwind

colors: {
  custom: {
    50: '#595a86',
    500: '#0b1f56',
    950: '#000000',
  },
}

SCSS

$custom: #0b1f56;
$custom-light: #595a86;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1f56",
  "rgb": {
    "r": 11,
    "g": 31,
    "b": 86
  },
  "hsl": {
    "h": 224,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.26404,
    "c": 0.10307,
    "h": 264.8
  },
  "luminance": 0.01723
}

Semantic roles & 50–950 ramp

primary

#0B1F56

secondary

#91762B

accent

#C134F4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0B1F56

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

Preview Lab → · Contrast checker → · Palette generator →