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Recognised as Colour

#02388D

  • #02388D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#02388D is a blue with RGB values 2, 56, 141 and HSL 217°, 97%, 28%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#02388D#02388D
HEX#02388D
RGBrgb(2, 56, 141)
RGB (0–1)0.0078, 0.2196, 0.5529
RGB percentages0.8%, 22%, 55.3%
HSLhsl(216.7, 97.2%, 28%)
HSV / HSBhsv(216.7, 98.6%, 55.3%)
CMYK98.6%, 60.3%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer145,549
CSS custom property--colour: #02388D;

Brightness & contrast

Relative luminance0.04764WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.75:1
Contrast with white10.75:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FDC772

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004490no red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#00388Bno green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#004E5Dno blue cones; rare, and affects men and women equally; ΔE 51 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.75:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.7Midnight blue · ΔE 15.2Rebecca purple · ΔE 23.8Slate blue · ΔE 25.6Royal blue · ΔE 26.5Indigo · ΔE 31.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D5702
Analogous#027E8D, #11028D
Triadic#8D0238, #388D02
Split complementary#8D1202, #7D8D02
Tetradic#8D027E, #8D5702, #028D12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5E9CFD
Lighter +30%#2C7DFC
Lighter +20%#0360F2
Lighter +10%#034CBF
Darker −10%#01245B
Darker −20%#011028
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00388F
Less saturated −25%#143C7B

Channel breakdown

R2
G56
B141
Red2 (0.8%)
Green56 (22%)
Blue141 (55.3%)
Hue216.69°
Saturation (HSL)97.2%
Lightness28.04%
Dominant channelBlue
Hex per channelR 02 · G 38 · B 8D

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Every value on this page was computed from “02388d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.