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Recognised as Colour

#1B1967

  • #1B1967
  • Blue
  • Dark
  • Nearest: Midnight blue

#1B1967 is a blue with RGB values 27, 25, 103 and HSL 242°, 61%, 25%. It is a dark colour, so white text on it reaches 15.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1B1967#1B1967
HEX#1B1967
RGBrgb(27, 25, 103)
RGB (0–1)0.1059, 0.098, 0.4039
RGB percentages10.6%, 9.8%, 40.4%
HSLhsl(241.5, 60.9%, 25.1%)
HSV / HSBhsv(241.5, 75.7%, 40.4%)
CMYK73.8%, 75.7%, 0%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,775,975
CSS custom property--colour: #1B1967;

Brightness & contrast

Relative luminance0.01908WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.2:1
Contrast with white15.2:1WCAG normal text: AAA
Contrast with black1.38:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#E4E698

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002969no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#002266no green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#002F3Eno blue cones; rare, and affects men and women equally; ΔE 48.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.2:1WCAG large text: AAA
Contrast with black, large text1.38:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.5Dark slateblue · ΔE 16.3Rebecca purple · ΔE 23Indigo · ΔE 25.1Navy · ΔE 27.3Dark blue · ΔE 32.1
Nearest named CSS colourMidnight blue (#191970)ΔE 5.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#656719
Analogous#193E67, #421967
Triadic#671B19, #19671B
Split complementary#674219, #3E6719
Tetradic#67193E, #656719, #196742

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7370DC
Lighter +30%#4A47D2
Lighter +20%#312DB9
Lighter +10%#262390
Darker −10%#100F3E
Darker −20%#050515
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C0977
Less saturated −25%#2A2957

Channel breakdown

R27
G25
B103
Red27 (10.6%)
Green25 (9.8%)
Blue103 (40.4%)
Hue241.54°
Saturation (HSL)60.94%
Lightness25.1%
Dominant channelBlue
Hex per channelR 1B · G 19 · B 67

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Every value on this page was computed from “1b1967” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.