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Recognised as Colour

#1900CE

  • #1900CE
  • Blue
  • Dark
  • Nearest: Medium blue

#1900CE is a blue with RGB values 25, 0, 206 and HSL 247°, 100%, 40%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1900CE#1900CE
HEX#1900CE
RGBrgb(25, 0, 206)
RGB (0–1)0.098, 0, 0.8078
RGB percentages9.8%, 0%, 80.8%
HSLhsl(247.3, 100%, 40.4%)
HSV / HSBhsv(247.3, 100%, 80.8%)
CMYK87.9%, 100%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,638,606
CSS custom property--colour: #1900CE;

Brightness & contrast

Relative luminance0.04663WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.87:1
Contrast with white10.87:1WCAG normal text: AAA
Contrast with black1.93:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#E6FF31

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0047D3no red cones; affects about 1% of men; ΔE 34.5 from the original
Deuteranopia#0032CBno green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#005578no blue cones; rare, and affects men and women equally; ΔE 100.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.87:1WCAG large text: AAA
Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Medium blue · ΔE 1.2Blue · ΔE 21.6Blue violet · ΔE 23.1Dark violet · ΔE 26.1Dark blue · ΔE 30.1Navy · ΔE 35.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 1.15, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B5CE00
Analogous#004ECE, #8000CE
Triadic#CE1900, #00CE19
Split complementary#CE8000, #4ECE00
Tetradic#CE004E, #B5CE00, #00CE80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A79BFF
Lighter +30%#7A68FF
Lighter +20%#4E35FF
Lighter +10%#2102FF
Darker −10%#13009B
Darker −20%#0D0068
Darker −30%#060035
Darker −40%#000002
More saturated +25%#1900CE
Less saturated −25%#2C1AB4

Channel breakdown

R25
G0
B206
Red25 (9.8%)
Green0 (0%)
Blue206 (80.8%)
Hue247.28°
Saturation (HSL)100%
Lightness40.39%
Dominant channelBlue
Hex per channelR 19 · G 00 · B CE

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Every value on this page was computed from “1900ce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.