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Colour

#023DD2

  • #023DD2
  • Blue
  • Dark
  • Nearest: Dark blue

#023DD2 is a blue with RGB values 2, 61, 210 and HSL 223°, 98%, 42%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#023DD2#023DD2
HEX#023DD2
RGBrgb(2, 61, 210)
RGB (0–1)0.0078, 0.2392, 0.8235
RGB percentages0.8%, 23.9%, 82.4%
HSLhsl(223, 98.1%, 41.6%)
HSV / HSBhsv(223, 99%, 82.4%)
CMYK99%, 71%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer146,898
CSS custom property--colour: #023DD2;

Brightness & contrast

Relative luminance0.08004WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.07:1
Contrast with white8.07:1WCAG normal text: AAA
Contrast with black2.6:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#FDC22D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059D6no red cones; affects about 1% of men; ΔE 20.4 from the original
Deuteranopia#0046CFno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#006883no blue cones; rare, and affects men and women equally; ΔE 82.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.07:1WCAG large text: AAA
Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Dark blue · ΔE 22.9Medium slateblue · ΔE 23.2Slate blue · ΔE 25.8Navy · ΔE 25.9Royal blue · ΔE 26.8Blue violet · ΔE 27.3
Nearest named CSS colourDark blue (#00008B)ΔE 22.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D29702
Analogous#02A5D2, #2F02D2
Triadic#D2023D, #3DD202
Split complementary#D22F02, #A5D202
Tetradic#D202A5, #D29702, #02D22F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A2BCFE
Lighter +30%#6F98FE
Lighter +20%#3D73FD
Lighter +10%#0A4FFD
Darker −10%#022E9F
Darker −20%#01206D
Darker −30%#01113A
Darker −40%#000208
More saturated +25%#003CD4
Less saturated −25%#1C48B8

Channel breakdown

R2
G61
B210
Red2 (0.8%)
Green61 (23.9%)
Blue210 (82.4%)
Hue222.98°
Saturation (HSL)98.11%
Lightness41.57%
Dominant channelBlue
Hex per channelR 02 · G 3D · B D2

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Every value on this page was computed from “023dd2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.