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Recognised as Colour

#1B5196

  • #1B5196
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1B5196 is a blue with RGB values 27, 81, 150 and HSL 214°, 69%, 35%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1B5196#1B5196
HEX#1B5196
RGBrgb(27, 81, 150)
RGB (0–1)0.1059, 0.3176, 0.5882
RGB percentages10.6%, 31.8%, 58.8%
HSLhsl(213.7, 69.5%, 34.7%)
HSV / HSBhsv(213.7, 82%, 58.8%)
CMYK82%, 46%, 0%, 41.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,790,358
CSS custom property--colour: #1B5196;

Brightness & contrast

Relative luminance0.0832WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.88:1
Contrast with white7.88:1WCAG normal text: AAA
Contrast with black2.66:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#E4AE69

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2D5799no red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#104C95no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#00616Cno blue cones; rare, and affects men and women equally; ΔE 41.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.88:1WCAG large text: AAA
Contrast with black, large text2.66:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.7Steel blue · ΔE 24.4Cornflower blue · ΔE 28.1Midnight blue · ΔE 30.4Royal blue · ΔE 31.4Dodgerblue · ΔE 32.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#96601B
Analogous#1B8F96, #221B96
Triadic#961B51, #51961B
Split complementary#96221B, #8F961B
Tetradic#961B8F, #96601B, #1B9622

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#92B9EB
Lighter +30%#669DE4
Lighter +20%#3B82DC
Lighter +10%#2368C1
Darker −10%#133A6B
Darker −20%#0B2240
Darker −30%#040B14
Darker −40%#000000
More saturated +25%#054EAC
Less saturated −25%#315480

Channel breakdown

R27
G81
B150
Red27 (10.6%)
Green81 (31.8%)
Blue150 (58.8%)
Hue213.66°
Saturation (HSL)69.49%
Lightness34.71%
Dominant channelBlue
Hex per channelR 1B · G 51 · B 96

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Every value on this page was computed from “1b5196” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.