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Recognised as Colour

#18619E

  • #18619E
  • Blue
  • Dark
  • Nearest: Steel blue

#18619E is a blue with RGB values 24, 97, 158 and HSL 207°, 74%, 36%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#18619E#18619E
HEX#18619E
RGBrgb(24, 97, 158)
RGB (0–1)0.0941, 0.3804, 0.6196
RGB percentages9.4%, 38%, 62%
HSLhsl(207.3, 73.6%, 35.7%)
HSV / HSBhsv(207.3, 84.8%, 62%)
CMYK84.8%, 38.6%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,597,854
CSS custom property--colour: #18619E;

Brightness & contrast

Relative luminance0.11212WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.48:1
Contrast with white6.48:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#E79E61

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4465A0no red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#2F599Dno green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#007078no blue cones; rare, and affects men and women equally; ΔE 36.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.48:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.3Cornflower blue · ΔE 25.5Dark slateblue · ΔE 26.6Slate grey · ΔE 31.5Dodgerblue · ΔE 32.3Light slate grey · ΔE 32.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E5518
Analogous#189E98, #181E9E
Triadic#9E1861, #619E18
Split complementary#9E181E, #9E9818
Tetradic#98189E, #9E5518, #1E9E18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#93C5EF
Lighter +30%#67ADE8
Lighter +20%#3B95E1
Lighter +10%#1F7CCA
Darker −10%#114672
Darker −20%#0B2B45
Darker −30%#040F19
Darker −40%#000000
More saturated +25%#0163B5
Less saturated −25%#2F5F87

Channel breakdown

R24
G97
B158
Red24 (9.4%)
Green97 (38%)
Blue158 (62%)
Hue207.31°
Saturation (HSL)73.63%
Lightness35.69%
Dominant channelBlue
Hex per channelR 18 · G 61 · B 9E

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Every value on this page was computed from “18619e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.