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Colour

#001977

  • #001977
  • Blue
  • Dark
  • Nearest: Midnight blue

#001977 is a blue with RGB values 0, 25, 119 and HSL 227°, 100%, 23%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001977#001977
HEX#001977
RGBrgb(0, 25, 119)
RGB (0–1)0, 0.098, 0.4667
RGB percentages0%, 9.8%, 46.7%
HSLhsl(227.4, 100%, 23.3%)
HSV / HSBhsv(227.4, 100%, 46.7%)
CMYK100%, 79%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,519
CSS custom property--colour: #001977;

Brightness & contrast

Relative luminance0.02027WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.94:1
Contrast with white14.94:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#FFE688

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002D7Ano red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#002175no green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#003647no blue cones; rare, and affects men and women equally; ΔE 57.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.94:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 5.1Navy · ΔE 18.1Indigo · ΔE 19.6Dark slateblue · ΔE 20.8Rebecca purple · ΔE 21.3Dark blue · ΔE 22.7
Nearest named CSS colourMidnight blue (#191970)ΔE 5.06, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#775E00
Analogous#005477, #230077
Triadic#770019, #197700
Split complementary#772300, #547700
Tetradic#770054, #775E00, #007723

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#446BFF
Lighter +30%#1143FF
Lighter +20%#002EDD
Lighter +10%#0024AA
Darker −10%#000E44
Darker −20%#000411
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001977
Less saturated −25%#0F2268

Channel breakdown

R0
G25
B119
Red0 (0%)
Green25 (9.8%)
Blue119 (46.7%)
Hue227.39°
Saturation (HSL)100%
Lightness23.33%
Dominant channelBlue
Hex per channelR 00 · G 19 · B 77

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Every value on this page was computed from “hex 001977” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.