Nerdulator> put something in

Recognised as Colour

#18336E

  • #18336E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#18336E is a blue with RGB values 24, 51, 110 and HSL 221°, 64%, 26%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#18336E#18336E
HEX#18336E
RGBrgb(24, 51, 110)
RGB (0–1)0.0941, 0.2, 0.4314
RGB percentages9.4%, 20%, 43.1%
HSLhsl(221.2, 64.2%, 26.3%)
HSV / HSBhsv(221.2, 78.2%, 43.1%)
CMYK78.2%, 53.6%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,586,030
CSS custom property--colour: #18336E;

Brightness & contrast

Relative luminance0.03688WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.09:1
Contrast with white12.09:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#E7CC91

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E3A70no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#00326Dno green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#00414Bno blue cones; rare, and affects men and women equally; ΔE 37.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.09:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.4Midnight blue · ΔE 23.6Rebecca purple · ΔE 33.3Steel blue · ΔE 34.6Slate blue · ΔE 38.5Royal blue · ΔE 40
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E5318
Analogous#185E6E, #28186E
Triadic#6E1833, #336E18
Split complementary#6E2818, #5E6E18
Tetradic#6E185E, #6E5318, #186E28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7294E0
Lighter +30%#4875D7
Lighter +20%#2A5AC2
Lighter +10%#214698
Darker −10%#0F2044
Darker −20%#060C1A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#072D7F
Less saturated −25%#29395D

Channel breakdown

R24
G51
B110
Red24 (9.4%)
Green51 (20%)
Blue110 (43.1%)
Hue221.16°
Saturation (HSL)64.18%
Lightness26.27%
Dominant channelBlue
Hex per channelR 18 · G 33 · B 6E

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “18336e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.