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Colour

#00298B

  • #00298B
  • Blue
  • Dark
  • Nearest: Midnight blue

#00298B is a blue with RGB values 0, 41, 139 and HSL 222°, 100%, 27%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00298B#00298B
HEX#00298B
RGBrgb(0, 41, 139)
RGB (0–1)0, 0.1608, 0.5451
RGB percentages0%, 16.1%, 54.5%
HSLhsl(222.3, 100%, 27.3%)
HSV / HSBhsv(222.3, 100%, 54.5%)
CMYK100%, 70.5%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,635
CSS custom property--colour: #00298B;

Brightness & contrast

Relative luminance0.0345WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.43:1
Contrast with white12.43:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#FFD674

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003B8Eno red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#002E89no green cones; the most common form, about 1% of men; ΔE 5.4 from the original
Tritanopia#004556no blue cones; rare, and affects men and women equally; ΔE 59.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.43:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.7Dark slateblue · ΔE 17.9Rebecca purple · ΔE 19.7Navy · ΔE 21Indigo · ΔE 22Slate blue · ΔE 24.3
Nearest named CSS colourMidnight blue (#191970)ΔE 9.66, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B6200
Analogous#006E8B, #1D008B
Triadic#8B0029, #298B00
Split complementary#8B1D00, #6E8B00
Tetradic#8B006E, #8B6200, #008B1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5889FF
Lighter +30%#2565FF
Lighter +20%#0047F1
Lighter +10%#0038BE
Darker −10%#001A58
Darker −20%#000B25
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00298B
Less saturated −25%#11307A

Channel breakdown

R0
G41
B139
Red0 (0%)
Green41 (16.1%)
Blue139 (54.5%)
Hue222.3°
Saturation (HSL)100%
Lightness27.25%
Dominant channelBlue
Hex per channelR 00 · G 29 · B 8B

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Every value on this page was computed from “00298b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.