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Colour

#040B87

  • #040B87
  • Blue
  • Dark
  • Nearest: Navy

#040B87 is a blue with RGB values 4, 11, 135 and HSL 237°, 94%, 27%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#040B87#040B87
HEX#040B87
RGBrgb(4, 11, 135)
RGB (0–1)0.0157, 0.0431, 0.5294
RGB percentages1.6%, 4.3%, 52.9%
HSLhsl(236.8, 94.2%, 27.3%)
HSV / HSBhsv(236.8, 97%, 52.9%)
CMYK97%, 91.9%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer265,095
CSS custom property--colour: #040B87;

Brightness & contrast

Relative luminance0.02014WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.97:1
Contrast with white14.97:1WCAG normal text: AAA
Contrast with black1.4:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#FBF478

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002E8Ano red cones; affects about 1% of men; ΔE 23 from the original
Deuteranopia#002085no green cones; the most common form, about 1% of men; ΔE 14 from the original
Tritanopia#00374Eno blue cones; rare, and affects men and women equally; ΔE 69.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.97:1WCAG large text: AAA
Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Navy · ΔE 3.3Dark blue · ΔE 6.4Indigo · ΔE 14Midnight blue · ΔE 20.5Rebecca purple · ΔE 24.9Slate blue · ΔE 32
Nearest named CSS colourNavy (#000080)ΔE 3.33, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#878004
Analogous#044C87, #3F0487
Triadic#87040B, #0B8704
Split complementary#873F04, #4D8704
Tetradic#87044C, #878004, #04873E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5D65FA
Lighter +30%#2B36F9
Lighter +20%#0713EA
Lighter +10%#050FB9
Darker −10%#030755
Darker −20%#010324
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00078B
Less saturated −25%#151B76

Channel breakdown

R4
G11
B135
Red4 (1.6%)
Green11 (4.3%)
Blue135 (52.9%)
Hue236.79°
Saturation (HSL)94.24%
Lightness27.25%
Dominant channelBlue
Hex per channelR 04 · G 0B · B 87

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Every value on this page was computed from “040b87” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.