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Colour

#001F97

  • #001F97
  • Blue
  • Dark
  • Nearest: Navy

#001F97 is a blue with RGB values 0, 31, 151 and HSL 228°, 100%, 30%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#001F97#001F97
HEX#001F97
RGBrgb(0, 31, 151)
RGB (0–1)0, 0.1216, 0.5922
RGB percentages0%, 12.2%, 59.2%
HSLhsl(227.7, 100%, 29.6%)
HSV / HSBhsv(227.7, 100%, 59.2%)
CMYK100%, 79.5%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,087
CSS custom property--colour: #001F97;

Brightness & contrast

Relative luminance0.03214WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.78:1
Contrast with white12.78:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#FFE068

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00399Ano red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#002B95no green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#00445Bno blue cones; rare, and affects men and women equally; ΔE 69.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.78:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Navy · ΔE 10.4Dark blue · ΔE 11.6Indigo · ΔE 16.6Midnight blue · ΔE 19.4Rebecca purple · ΔE 22.4Slate blue · ΔE 26.2
Nearest named CSS colourNavy (#000080)ΔE 10.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#977800
Analogous#006A97, #2D0097
Triadic#97001F, #1F9700
Split complementary#972D00, #6A9700
Tetradic#97006A, #977800, #00972D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6484FF
Lighter +30%#315BFF
Lighter +20%#0034FD
Lighter +10%#0029CA
Darker −10%#001564
Darker −20%#000A31
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001F97
Less saturated −25%#132A84

Channel breakdown

R0
G31
B151
Red0 (0%)
Green31 (12.2%)
Blue151 (59.2%)
Hue227.68°
Saturation (HSL)100%
Lightness29.61%
Dominant channelBlue
Hex per channelR 00 · G 1F · B 97

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Every value on this page was computed from “001f97” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.