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Recognised as Colour

#043049

  • #043049
  • Blue
  • Dark
  • Nearest: Dark slate grey

#043049 is a blue with RGB values 4, 48, 73 and HSL 202°, 90%, 15%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#043049#043049
HEX#043049
RGBrgb(4, 48, 73)
RGB (0–1)0.0157, 0.1882, 0.2863
RGB percentages1.6%, 18.8%, 28.6%
HSLhsl(201.7, 89.6%, 15.1%)
HSV / HSBhsv(201.7, 94.5%, 28.6%)
CMYK94.5%, 34.2%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer274,505
CSS custom property--colour: #043049;

Brightness & contrast

Relative luminance0.02621WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.78:1
Contrast with white13.78:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#FBCFB6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#24304Ano red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#1B2A49no green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#003639no blue cones; rare, and affects men and women equally; ΔE 17.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.78:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.8Black · ΔE 27.1Dim grey · ΔE 32.7Slate grey · ΔE 35.6Steel blue · ΔE 36.3Light slate grey · ΔE 38.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.84, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#491D04
Analogous#044940, #040D49
Triadic#490430, #304904
Split complementary#49040E, #494004
Tetradic#3F0449, #491D04, #0D4904

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#26A9F3
Lighter +30%#0C8FDA
Lighter +20%#0970AA
Lighter +10%#075079
Darker −10%#011019
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00314D
Less saturated −25%#0E2D3F

Channel breakdown

R4
G48
B73
Red4 (1.6%)
Green48 (18.8%)
Blue73 (28.6%)
Hue201.74°
Saturation (HSL)89.61%
Lightness15.1%
Dominant channelBlue
Hex per channelR 04 · G 30 · B 49

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Every value on this page was computed from “hex 043049” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.