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Colour

#0027A4

  • #0027A4
  • Blue
  • Dark
  • Nearest: Dark blue

#0027A4 is a blue with RGB values 0, 39, 164 and HSL 226°, 100%, 32%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0027A4#0027A4
HEX#0027A4
RGBrgb(0, 39, 164)
RGB (0–1)0, 0.1529, 0.6431
RGB percentages0%, 15.3%, 64.3%
HSLhsl(225.7, 100%, 32.2%)
HSV / HSBhsv(225.7, 100%, 64.3%)
CMYK100%, 76.2%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,148
CSS custom property--colour: #0027A4;

Brightness & contrast

Relative luminance0.04131WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.5:1
Contrast with white11.5:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#FFD85B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0041A8no red cones; affects about 1% of men; ΔE 19.1 from the original
Deuteranopia#0031A2no green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#004D64no blue cones; rare, and affects men and women equally; ΔE 72.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.5:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Dark blue · ΔE 13.3Navy · ΔE 13.5Indigo · ΔE 19Midnight blue · ΔE 22.6Rebecca purple · ΔE 23.2Slate blue · ΔE 24.3
Nearest named CSS colourDark blue (#00008B)ΔE 13.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A47D00
Analogous#0079A4, #2B00A4
Triadic#A40027, #27A400
Split complementary#A42B00, #79A400
Tetradic#A40079, #A47D00, #00A42B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7193FF
Lighter +30%#3E6CFF
Lighter +20%#0B45FF
Lighter +10%#0033D7
Darker −10%#001B71
Darker −20%#000F3E
Darker −30%#00030B
Darker −40%#000000
More saturated +25%#0027A4
Less saturated −25%#143290

Channel breakdown

R0
G39
B164
Red0 (0%)
Green39 (15.3%)
Blue164 (64.3%)
Hue225.73°
Saturation (HSL)100%
Lightness32.16%
Dominant channelBlue
Hex per channelR 00 · G 27 · B A4

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Every value on this page was computed from “0027a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.