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Colour

#091B40

  • #091B40
  • Blue
  • Dark
  • Nearest: Black

#091B40 is a blue with RGB values 9, 27, 64 and HSL 220°, 75%, 14%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#091B40#091B40
HEX#091B40
RGBrgb(9, 27, 64)
RGB (0–1)0.0353, 0.1059, 0.251
RGB percentages3.5%, 10.6%, 25.1%
HSLhsl(220.4, 75.3%, 14.3%)
HSV / HSBhsv(220.4, 85.9%, 25.1%)
CMYK85.9%, 57.8%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer596,800
CSS custom property--colour: #091B40;

Brightness & contrast

Relative luminance0.01212WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.9:1
Contrast with white16.9:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#F6E4BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#051F41no red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#001A3Fno green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#00242Ano blue cones; rare, and affects men and women equally; ΔE 26 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.9:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 29.1Dark slateblue · ΔE 31.3Midnight blue · ΔE 33.6Dark slate grey · ΔE 36.3Dim grey · ΔE 43.3Steel blue · ΔE 44.2
Nearest named CSS colourBlack (#000000)ΔE 29.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#402E09
Analogous#093740, #120940
Triadic#40091B, #1B4009
Split complementary#401209, #374009
Tetradic#400937, #402E09, #094012

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#336CE2
Lighter +30%#1C54C6
Lighter +20%#164199
Lighter +10%#0F2E6D
Darker −10%#030813
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001849
Less saturated −25%#121E37

Channel breakdown

R9
G27
B64
Red9 (3.5%)
Green27 (10.6%)
Blue64 (25.1%)
Hue220.36°
Saturation (HSL)75.34%
Lightness14.31%
Dominant channelBlue
Hex per channelR 09 · G 1B · B 40

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Every value on this page was computed from “091b40” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.