Nerdulator> put something in

Colour

#00287E

  • #00287E
  • Blue
  • Dark
  • Nearest: Midnight blue

#00287E is a blue with RGB values 0, 40, 126 and HSL 221°, 100%, 25%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00287E#00287E
HEX#00287E
RGBrgb(0, 40, 126)
RGB (0–1)0, 0.1569, 0.4941
RGB percentages0%, 15.7%, 49.4%
HSLhsl(221, 100%, 24.7%)
HSV / HSBhsv(221, 100%, 49.4%)
CMYK100%, 68.3%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,366
CSS custom property--colour: #00287E;

Brightness & contrast

Relative luminance0.03024WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.09:1
Contrast with white13.09:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#FFD781

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003681no red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#002B7Cno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#00404Fno blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.09:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.9Dark slateblue · ΔE 14.3Rebecca purple · ΔE 22.1Indigo · ΔE 26.3Navy · ΔE 26.7Slate blue · ΔE 28
Nearest named CSS colourMidnight blue (#191970)ΔE 7.85, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E5600
Analogous#00677E, #17007E
Triadic#7E0028, #287E00
Split complementary#7E1700, #677E00
Tetradic#7E0067, #7E5600, #007E17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4B84FF
Lighter +30%#1861FF
Lighter +20%#0048E4
Lighter +10%#0038B1
Darker −10%#00184B
Darker −20%#000818
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00287E
Less saturated −25%#102E6E

Channel breakdown

R0
G40
B126
Red0 (0%)
Green40 (15.7%)
Blue126 (49.4%)
Hue220.95°
Saturation (HSL)100%
Lightness24.71%
Dominant channelBlue
Hex per channelR 00 · G 28 · B 7E

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “00287e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.