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Colour

#02297D

  • #02297D
  • Blue
  • Dark
  • Nearest: Midnight blue

#02297D is a blue with RGB values 2, 41, 125 and HSL 221°, 97%, 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

#02297D#02297D
HEX#02297D
RGBrgb(2, 41, 125)
RGB (0–1)0.0078, 0.1608, 0.4902
RGB percentages0.8%, 16.1%, 49%
HSLhsl(221, 96.9%, 24.9%)
HSV / HSBhsv(221, 98.4%, 49%)
CMYK98.4%, 67.2%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer141,693
CSS custom property--colour: #02297D;

Brightness & contrast

Relative luminance0.03079WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.6 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#272727
Inverted#FDD682

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003780no red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#002C7Bno green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#00404Fno blue cones; rare, and affects men and women equally; ΔE 51.6 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 8.6Dark slateblue · ΔE 13.6Rebecca purple · ΔE 22.6Indigo · ΔE 27.4Navy · ΔE 28.1Slate blue · ΔE 28.5
Nearest named CSS colourMidnight blue (#191970)ΔE 8.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D5602
Analogous#02667D, #19027D
Triadic#7D0229, #297D02
Split complementary#7D1902, #667D02
Tetradic#7D0266, #7D5602, #027D19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4F86FC
Lighter +30%#1D63FB
Lighter +20%#044AE1
Lighter +10%#0339AF
Darker −10%#01194B
Darker −20%#000819
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00287F
Less saturated −25%#122F6D

Channel breakdown

R2
G41
B125
Red2 (0.8%)
Green41 (16.1%)
Blue125 (49%)
Hue220.98°
Saturation (HSL)96.85%
Lightness24.9%
Dominant channelBlue
Hex per channelR 02 · G 29 · B 7D

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Every value on this page was computed from “02297d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.