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Colour

#1B2ADE

  • #1B2ADE
  • Blue
  • Dark
  • Nearest: Medium blue

#1B2ADE is a blue with RGB values 27, 42, 222 and HSL 235°, 78%, 49%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1B2ADE#1B2ADE
HEX#1B2ADE
RGBrgb(27, 42, 222)
RGB (0–1)0.1059, 0.1647, 0.8706
RGB percentages10.6%, 16.5%, 87.1%
HSLhsl(235.4, 78.3%, 48.8%)
HSV / HSBhsv(235.4, 87.8%, 87.1%)
CMYK87.8%, 81.1%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,780,446
CSS custom property--colour: #1B2ADE;

Brightness & contrast

Relative luminance0.07163WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.63:1
Contrast with white8.63:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#E4D521

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055E3no red cones; affects about 1% of men; ΔE 28.3 from the original
Deuteranopia#0041DBno green cones; the most common form, about 1% of men; ΔE 16.6 from the original
Tritanopia#006486no blue cones; rare, and affects men and women equally; ΔE 95.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.63:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Medium blue · ΔE 10.9Blue violet · ΔE 20.6Dark violet · ΔE 26.5Blue · ΔE 27.2Dark blue · ΔE 28.4Dark orchid · ΔE 31.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 10.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DECF1B
Analogous#1B8CDE, #6D1BDE
Triadic#DE1B2A, #2ADE1B
Split complementary#DE6D1B, #8CDE1B
Tetradic#DE1B8C, #DECF1B, #1BDE6D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCD0F9
Lighter +30%#9FA5F3
Lighter +20%#717BEE
Lighter +10%#4450E8
Darker −10%#1521B1
Darker −20%#101983
Darker −30%#0A1056
Darker −40%#050828
More saturated +25%#0013F9
Less saturated −25%#3A44BF

Channel breakdown

R27
G42
B222
Red27 (10.6%)
Green42 (16.5%)
Blue222 (87.1%)
Hue235.38°
Saturation (HSL)78.31%
Lightness48.82%
Dominant channelBlue
Hex per channelR 1B · G 2A · B DE

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Every value on this page was computed from “1b2ade” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.