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Recognised as Colour

#041731

  • #041731
  • Blue
  • Dark
  • Nearest: Black

#041731 is a blue with RGB values 4, 23, 49 and HSL 215°, 85%, 10%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#041731#041731
HEX#041731
RGBrgb(4, 23, 49)
RGB (0–1)0.0157, 0.0902, 0.1922
RGB percentages1.6%, 9%, 19.2%
HSLhsl(214.7, 84.9%, 10.4%)
HSV / HSBhsv(214.7, 91.8%, 19.2%)
CMYK91.8%, 53.1%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer268,081
CSS custom property--colour: #041731;

Brightness & contrast

Relative luminance0.0086WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.92:1
Contrast with white17.92:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#FBE8CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A1932no red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#031530no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#001D21no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.92:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 21.4Dark slate grey · ΔE 32.3Dark slateblue · ΔE 39.2Dim grey · ΔE 41.7Midnight blue · ΔE 41.8Slate grey · ΔE 46.3
Nearest named CSS colourBlack (#000000)ΔE 21.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#311E04
Analogous#042D31, #080431
Triadic#310417, #173104
Split complementary#310804, #2D3104
Tetradic#31042D, #311E04, #043108

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1570EC
Lighter +30%#1059BE
Lighter +20%#0C438F
Lighter +10%#082D60
Darker −10%#000102
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001635
Less saturated −25%#0B182A

Channel breakdown

R4
G23
B49
Red4 (1.6%)
Green23 (9%)
Blue49 (19.2%)
Hue214.67°
Saturation (HSL)84.91%
Lightness10.39%
Dominant channelBlue
Hex per channelR 04 · G 17 · B 31

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Every value on this page was computed from “hex 041731” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.