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Recognised as Colour

#001549

  • #001549
  • Blue
  • Dark
  • Nearest: Midnight blue

#001549 is a blue with RGB values 0, 21, 73 and HSL 223°, 100%, 14%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001549#001549
HEX#001549
RGBrgb(0, 21, 73)
RGB (0–1)0, 0.0824, 0.2863
RGB percentages0%, 8.2%, 28.6%
HSLhsl(222.7, 100%, 14.3%)
HSV / HSBhsv(222.7, 100%, 28.6%)
CMYK100%, 71.2%, 0%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,449
CSS custom property--colour: #001549;

Brightness & contrast

Relative luminance0.01017WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.45:1
Contrast with white17.45:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#FFEAB6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D4Bno red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#001648no green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#00232Cno blue cones; rare, and affects men and women equally; ΔE 35.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.45:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 22.6Dark slateblue · ΔE 25Rebecca purple · ΔE 37.9Black · ΔE 39.2Indigo · ΔE 41.7Navy · ΔE 43.6
Nearest named CSS colourMidnight blue (#191970)ΔE 22.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#493400
Analogous#003949, #100049
Triadic#490015, #154900
Split complementary#491000, #394900
Tetradic#490039, #493400, #004910

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1659FF
Lighter +30%#0041E2
Lighter +20%#0032AF
Lighter +10%#00247C
Darker −10%#000616
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001549
Less saturated −25%#091940

Channel breakdown

R0
G21
B73
Red0 (0%)
Green21 (8.2%)
Blue73 (28.6%)
Hue222.74°
Saturation (HSL)100%
Lightness14.31%
Dominant channelBlue
Hex per channelR 00 · G 15 · B 49

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Every value on this page was computed from “hex 001549” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.