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Recognised as Colour

#1B22BE

  • #1B22BE
  • Blue
  • Dark
  • Nearest: Dark blue

#1B22BE is a blue with RGB values 27, 34, 190 and HSL 237°, 75%, 43%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1B22BE#1B22BE
HEX#1B22BE
RGBrgb(27, 34, 190)
RGB (0–1)0.1059, 0.1333, 0.7451
RGB percentages10.6%, 13.3%, 74.5%
HSLhsl(237.4, 75.1%, 42.5%)
HSV / HSBhsv(237.4, 85.8%, 74.5%)
CMYK85.8%, 82.1%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,778,366
CSS custom property--colour: #1B22BE;

Brightness & contrast

Relative luminance0.05095WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.4:1
Contrast with white10.4:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#E4DD41

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048C2no red cones; affects about 1% of men; ΔE 25.9 from the original
Deuteranopia#0037BBno green cones; the most common form, about 1% of men; ΔE 15.7 from the original
Tritanopia#005572no blue cones; rare, and affects men and women equally; ΔE 85.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.4:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Dark blue · ΔE 16.4Medium blue · ΔE 18.7Navy · ΔE 21Blue violet · ΔE 23Indigo · ΔE 26.8Dark violet · ΔE 27.8
Nearest named CSS colourDark blue (#00008B)ΔE 16.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BEB71B
Analogous#1B74BE, #651BBE
Triadic#BE1B22, #22BE1B
Split complementary#BE661B, #74BE1B
Tetradic#BE1B74, #BEB71B, #1BBE66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1B4F4
Lighter +30%#8489EE
Lighter +20%#585EE7
Lighter +10%#2B33E1
Darker −10%#151A91
Darker −20%#0E1265
Darker −30%#080A38
Darker −40%#02020B
More saturated +25%#0009D9
Less saturated −25%#363BA3

Channel breakdown

R27
G34
B190
Red27 (10.6%)
Green34 (13.3%)
Blue190 (74.5%)
Hue237.42°
Saturation (HSL)75.12%
Lightness42.55%
Dominant channelBlue
Hex per channelR 1B · G 22 · B BE

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Every value on this page was computed from “1b22be” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.