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Colour

#002B89

  • #002B89
  • Blue
  • Dark
  • Nearest: Midnight blue

#002B89 is a blue with RGB values 0, 43, 137 and HSL 221°, 100%, 27%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002B89#002B89
HEX#002B89
RGBrgb(0, 43, 137)
RGB (0–1)0, 0.1686, 0.5373
RGB percentages0%, 16.9%, 53.7%
HSLhsl(221.2, 100%, 26.9%)
HSV / HSBhsv(221.2, 100%, 53.7%)
CMYK100%, 68.6%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,145
CSS custom property--colour: #002B89;

Brightness & contrast

Relative luminance0.03534WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.3:1
Contrast with white12.3:1WCAG normal text: AAA
Contrast with black1.71:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#FFD476

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003B8Cno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#002F87no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#004556no blue cones; rare, and affects men and women equally; ΔE 56.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.3:1WCAG large text: AAA
Contrast with black, large text1.71:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.3Dark slateblue · ΔE 16Rebecca purple · ΔE 20.2Navy · ΔE 23.6Indigo · ΔE 23.9Slate blue · ΔE 24.8
Nearest named CSS colourMidnight blue (#191970)ΔE 9.26, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#895E00
Analogous#007089, #1A0089
Triadic#89002B, #2B8900
Split complementary#891900, #708900
Tetradic#89006F, #895E00, #008919

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#568BFF
Lighter +30%#2368FF
Lighter +20%#004BEF
Lighter +10%#003BBC
Darker −10%#001B56
Darker −20%#000B23
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002B89
Less saturated −25%#113178

Channel breakdown

R0
G43
B137
Red0 (0%)
Green43 (16.9%)
Blue137 (53.7%)
Hue221.17°
Saturation (HSL)100%
Lightness26.86%
Dominant channelBlue
Hex per channelR 00 · G 2B · B 89

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Every value on this page was computed from “002b89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.