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Recognised as Colour

#271B91

  • #271B91
  • Blue
  • Dark
  • Nearest: Navy

#271B91 is a blue with RGB values 39, 27, 145 and HSL 246°, 69%, 34%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#271B91#271B91
HEX#271B91
RGBrgb(39, 27, 145)
RGB (0–1)0.1529, 0.1059, 0.5686
RGB percentages15.3%, 10.6%, 56.9%
HSLhsl(246.1, 68.6%, 33.7%)
HSV / HSBhsv(246.1, 81.4%, 56.9%)
CMYK73.1%, 81.4%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,562,961
CSS custom property--colour: #271B91;

Brightness & contrast

Relative luminance0.0326WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.71:1
Contrast with white12.71:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#D8E46E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003894no red cones; affects about 1% of men; ΔE 21.7 from the original
Deuteranopia#002D8Fno green cones; the most common form, about 1% of men; ΔE 15 from the original
Tritanopia#003F56no blue cones; rare, and affects men and women equally; ΔE 67.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.71:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Navy · ΔE 9.6Dark blue · ΔE 11.8Indigo · ΔE 12.2Midnight blue · ΔE 17.5Rebecca purple · ΔE 18.9Slate blue · ΔE 25.6
Nearest named CSS colourNavy (#000080)ΔE 9.65, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#85911B
Analogous#1B4A91, #621B91
Triadic#91271B, #1B9127
Split complementary#91621B, #4A911B
Tetradic#911B4A, #85911B, #1B9162

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#978EEA
Lighter +30%#7063E2
Lighter +20%#4938DA
Lighter +10%#3323BC
Darker −10%#1B1366
Darker −20%#100B3B
Darker −30%#040310
Darker −40%#000000
More saturated +25%#1605A6
Less saturated −25%#38307B

Channel breakdown

R39
G27
B145
Red39 (15.3%)
Green27 (10.6%)
Blue145 (56.9%)
Hue246.1°
Saturation (HSL)68.6%
Lightness33.73%
Dominant channelBlue
Hex per channelR 27 · G 1B · B 91

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Every value on this page was computed from “271b91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.