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Recognised as Colour

#041017

  • #041017
  • Blue
  • Dark
  • Nearest: Black

#041017 is a blue with RGB values 4, 16, 23 and HSL 202°, 70%, 5%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#041017#041017
HEX#041017
RGBrgb(4, 16, 23)
RGB (0–1)0.0157, 0.0627, 0.0902
RGB percentages1.6%, 6.3%, 9%
HSLhsl(202.1, 70.4%, 5.3%)
HSV / HSBhsv(202.1, 82.6%, 9%)
CMYK82.6%, 30.4%, 0%, 91%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer266,263
CSS custom property--colour: #041017;

Brightness & contrast

Relative luminance0.00458WCAG 2.x, 0 is black and 1 is white
Perceived brightness14.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.24:1
Contrast with white19.24:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#FBEFE8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D1017no red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#0A0E17no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#001212no blue cones; rare, and affects men and women equally; ΔE 4.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.24:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 7.1Dark slate grey · ΔE 28.9Dim grey · ΔE 40.7Slate grey · ΔE 49Gray · ΔE 49.8Teal · ΔE 51.8
Nearest named CSS colourBlack (#000000)ΔE 7.08, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#170B04
Analogous#041715, #040617
Triadic#170410, #101704
Split complementary#170406, #171504
Tetradic#150417, #170B04, #061704

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2289C5
Lighter +30%#1B6B99
Lighter +20%#134C6E
Lighter +10%#0C2E42
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#01111A
Less saturated −25%#070F14

Channel breakdown

R4
G16
B23
Red4 (1.6%)
Green16 (6.3%)
Blue23 (9%)
Hue202.11°
Saturation (HSL)70.37%
Lightness5.29%
Dominant channelBlue
Hex per channelR 04 · G 10 · B 17

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Every value on this page was computed from “hex 041017” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.