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Colour

#1F1272

  • #1F1272
  • Blue
  • Dark
  • Nearest: Midnight blue

#1F1272 is a blue with RGB values 31, 18, 114 and HSL 248°, 73%, 26%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1F1272#1F1272
HEX#1F1272
RGBrgb(31, 18, 114)
RGB (0–1)0.1216, 0.0706, 0.4471
RGB percentages12.2%, 7.1%, 44.7%
HSLhsl(248.1, 72.7%, 25.9%)
HSV / HSBhsv(248.1, 84.2%, 44.7%)
CMYK72.8%, 84.2%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,036,338
CSS custom property--colour: #1F1272;

Brightness & contrast

Relative luminance0.01939WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.13:1
Contrast with white15.13:1WCAG normal text: AAA
Contrast with black1.39:1WCAG normal text: Fail
Greyscale equivalent#1C1C1C
Inverted#E0ED8D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002A75no red cones; affects about 1% of men; ΔE 18.3 from the original
Deuteranopia#002270no green cones; the most common form, about 1% of men; ΔE 14 from the original
Tritanopia#003043no blue cones; rare, and affects men and women equally; ΔE 56.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.13:1WCAG large text: AAA
Contrast with black, large text1.39:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.8Indigo · ΔE 15.7Navy · ΔE 16.7Rebecca purple · ΔE 19.3Dark blue · ΔE 21.5Dark slateblue · ΔE 21.5
Nearest named CSS colourMidnight blue (#191970)ΔE 5.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#657212
Analogous#123572, #4F1272
Triadic#721F12, #12721F
Split complementary#724F12, #357212
Tetradic#721235, #657212, #12724F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7A69E7
Lighter +30%#533DE0
Lighter +20%#3720CA
Lighter +10%#2B199E
Darker −10%#130B46
Darker −20%#07041A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#130283
Less saturated −25%#2B2362

Channel breakdown

R31
G18
B114
Red31 (12.2%)
Green18 (7.1%)
Blue114 (44.7%)
Hue248.13°
Saturation (HSL)72.73%
Lightness25.88%
Dominant channelBlue
Hex per channelR 1F · G 12 · B 72

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Every value on this page was computed from “1f1272” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.