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Colour

#1B5095

  • #1B5095
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1B5095 is a blue with RGB values 27, 80, 149 and HSL 214°, 69%, 35%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1B5095#1B5095
HEX#1B5095
RGBrgb(27, 80, 149)
RGB (0–1)0.1059, 0.3137, 0.5843
RGB percentages10.6%, 31.4%, 58.4%
HSLhsl(213.9, 69.3%, 34.5%)
HSV / HSBhsv(213.9, 81.9%, 58.4%)
CMYK81.9%, 46.3%, 0%, 41.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,790,101
CSS custom property--colour: #1B5095;

Brightness & contrast

Relative luminance0.0814WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.99:1
Contrast with white7.99:1WCAG normal text: AAA
Contrast with black2.63:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#E4AF6A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B5698no red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#0E4B94no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#00606Bno 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 text7.99:1WCAG large text: AAA
Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.4Steel blue · ΔE 24.8Cornflower blue · ΔE 28.4Midnight blue · ΔE 30Royal blue · ΔE 31.4Dodgerblue · ΔE 32.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#95601B
Analogous#1B8D95, #231B95
Triadic#951B50, #50951B
Split complementary#95231B, #8D951B
Tetradic#951B8D, #95601B, #1B9523

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#91B8EB
Lighter +30%#669CE3
Lighter +20%#3B80DB
Lighter +10%#2367C0
Darker −10%#13396A
Darker −20%#0B223F
Darker −30%#040A13
Darker −40%#000000
More saturated +25%#054DAB
Less saturated −25%#31537F

Channel breakdown

R27
G80
B149
Red27 (10.6%)
Green80 (31.4%)
Blue149 (58.4%)
Hue213.93°
Saturation (HSL)69.32%
Lightness34.51%
Dominant channelBlue
Hex per channelR 1B · G 50 · B 95

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Every value on this page was computed from “1b5095” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.