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Recognised as Colour

#002880

  • #002880
  • Blue
  • Dark
  • Nearest: Midnight blue

#002880 is a blue with RGB values 0, 40, 128 and HSL 221°, 100%, 25%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002880#002880
HEX#002880
RGBrgb(0, 40, 128)
RGB (0–1)0, 0.1569, 0.502
RGB percentages0%, 15.7%, 50.2%
HSLhsl(221.3, 100%, 25.1%)
HSV / HSBhsv(221.3, 100%, 50.2%)
CMYK100%, 68.8%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,368
CSS custom property--colour: #002880;

Brightness & contrast

Relative luminance0.03076WCAG 2.x, 0 is black and 1 is white
Perceived brightness53 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13:1
Contrast with white13:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#FFD77F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003783no red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#002B7Eno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#004050no blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.6Dark slateblue · ΔE 14.8Rebecca purple · ΔE 21.5Indigo · ΔE 25.4Navy · ΔE 25.6Slate blue · ΔE 27.4
Nearest named CSS colourMidnight blue (#191970)ΔE 7.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#805800
Analogous#006880, #180080
Triadic#800028, #288000
Split complementary#801800, #688000
Tetradic#800068, #805800, #008018

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4D85FF
Lighter +30%#1A62FF
Lighter +20%#0048E6
Lighter +10%#0038B3
Darker −10%#00184D
Darker −20%#00081A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002880
Less saturated −25%#102E70

Channel breakdown

R0
G40
B128
Red0 (0%)
Green40 (15.7%)
Blue128 (50.2%)
Hue221.25°
Saturation (HSL)100%
Lightness25.1%
Dominant channelBlue
Hex per channelR 00 · G 28 · B 80

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Every value on this page was computed from “hex 002880” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.