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Recognised as Colour

#0B1130

  • #0B1130
  • Blue
  • Dark
  • Nearest: Black

#0B1130 is a blue with RGB values 11, 17, 48 and HSL 230°, 63%, 12%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B1130#0B1130
HEX#0B1130
RGBrgb(11, 17, 48)
RGB (0–1)0.0431, 0.0667, 0.1882
RGB percentages4.3%, 6.7%, 18.8%
HSLhsl(230.3, 62.7%, 11.6%)
HSV / HSBhsv(230.3, 77.1%, 18.8%)
CMYK77.1%, 64.6%, 0%, 81.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer725,296
CSS custom property--colour: #0B1130;

Brightness & contrast

Relative luminance0.00685WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.47:1
Contrast with white18.47:1WCAG normal text: AAA
Contrast with black1.14:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#F4EECF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#011531no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#00122Fno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#00181Eno blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.47:1WCAG large text: AAA
Contrast with black, large text1.14:1WCAG large text: Fail

Named colours

Black · ΔE 24Dark slateblue · ΔE 36.4Dark slate grey · ΔE 37Midnight blue · ΔE 37.5Dim grey · ΔE 44.7Slate grey · ΔE 49.2
Nearest named CSS colourBlack (#000000)ΔE 23.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#302A0B
Analogous#0B2430, #170B30
Triadic#300B11, #11300B
Split complementary#30170B, #24300B
Tetradic#300B24, #302A0B, #0B3017

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#364FD1
Lighter +30%#283DAC
Lighter +20%#1E2E83
Lighter +10%#152059
Darker −10%#010207
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#040C37
Less saturated −25%#121629

Channel breakdown

R11
G17
B48
Red11 (4.3%)
Green17 (6.7%)
Blue48 (18.8%)
Hue230.27°
Saturation (HSL)62.71%
Lightness11.57%
Dominant channelBlue
Hex per channelR 0B · G 11 · B 30

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Every value on this page was computed from “0b1130” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.