Nerdulator> put something in

Recognised as Colour

#0B1841

  • #0B1841
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0B1841 is a blue with RGB values 11, 24, 65 and HSL 226°, 71%, 15%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0B1841#0B1841
HEX#0B1841
RGBrgb(11, 24, 65)
RGB (0–1)0.0431, 0.0941, 0.2549
RGB percentages4.3%, 9.4%, 25.5%
HSLhsl(225.6, 71.1%, 14.9%)
HSV / HSBhsv(225.6, 83.1%, 25.5%)
CMYK83.1%, 63.1%, 0%, 74.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer727,105
CSS custom property--colour: #0B1841;

Brightness & contrast

Relative luminance0.01106WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.2:1
Contrast with white17.2:1WCAG normal text: AAA
Contrast with black1.22:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#F4E7BE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001E42no red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#001940no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#002229no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.2:1WCAG large text: AAA
Contrast with black, large text1.22:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 29.2Midnight blue · ΔE 30.2Black · ΔE 31.7Dark slate grey · ΔE 39.8Rebecca purple · ΔE 43.4Steel blue · ΔE 45.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 29.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#41340B
Analogous#0B3341, #190B41
Triadic#410B18, #18410B
Split complementary#41190B, #33410B
Tetradic#410B33, #41340B, #0B4119

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3A62DE
Lighter +30%#2148C4
Lighter +20%#1A3898
Lighter +10%#12286D
Darker −10%#040815
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#02134A
Less saturated −25%#151D37

Channel breakdown

R11
G24
B65
Red11 (4.3%)
Green24 (9.4%)
Blue65 (25.5%)
Hue225.56°
Saturation (HSL)71.05%
Lightness14.9%
Dominant channelBlue
Hex per channelR 0B · G 18 · B 41

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “0b1841” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.