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Recognised as Colour

#023C8A

  • #023C8A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#023C8A is a blue with RGB values 2, 60, 138 and HSL 214°, 97%, 27%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#023C8A#023C8A
HEX#023C8A
RGBrgb(2, 60, 138)
RGB (0–1)0.0078, 0.2353, 0.5412
RGB percentages0.8%, 23.5%, 54.1%
HSLhsl(214.4, 97.1%, 27.5%)
HSV / HSBhsv(214.4, 98.6%, 54.1%)
CMYK98.6%, 56.5%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer146,570
CSS custom property--colour: #023C8A;

Brightness & contrast

Relative luminance0.0508WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.42:1
Contrast with white10.42:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FDC375

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00468Dno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#003A89no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#00505Dno blue cones; rare, and affects men and women equally; ΔE 47.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.42:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.9Midnight blue · ΔE 19Rebecca purple · ΔE 27.2Slate blue · ΔE 28.7Royal blue · ΔE 28.9Medium purple · ΔE 34.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A5002
Analogous#02808A, #0C028A
Triadic#8A023C, #3C8A02
Split complementary#8A0C02, #808A02
Tetradic#8A0280, #8A5002, #028A0C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5BA0FD
Lighter +30%#2983FC
Lighter +20%#0368EF
Lighter +10%#0352BC
Darker −10%#012658
Darker −20%#011025
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003C8C
Less saturated −25%#133F79

Channel breakdown

R2
G60
B138
Red2 (0.8%)
Green60 (23.5%)
Blue138 (54.1%)
Hue214.41°
Saturation (HSL)97.14%
Lightness27.45%
Dominant channelBlue
Hex per channelR 02 · G 3C · B 8A

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Every value on this page was computed from “023c8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.