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Colour

#003CCB

  • #003CCB
  • Blue
  • Dark
  • Nearest: Dark blue

#003CCB is a blue with RGB values 0, 60, 203 and HSL 222°, 100%, 40%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#003CCB#003CCB
HEX#003CCB
RGBrgb(0, 60, 203)
RGB (0–1)0, 0.2353, 0.7961
RGB percentages0%, 23.5%, 79.6%
HSLhsl(222.3, 100%, 39.8%)
HSV / HSBhsv(222.3, 100%, 79.6%)
CMYK100%, 70.4%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,563
CSS custom property--colour: #003CCB;

Brightness & contrast

Relative luminance0.07544WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.37:1
Contrast with white8.37:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#FFC334

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057CFno red cones; affects about 1% of men; ΔE 19.8 from the original
Deuteranopia#0045C8no green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#00657Fno blue cones; rare, and affects men and women equally; ΔE 79.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.37:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Dark blue · ΔE 21.6Medium slateblue · ΔE 22.4Slate blue · ΔE 23.6Navy · ΔE 24.1Royal blue · ΔE 24.8Indigo · ΔE 28.4
Nearest named CSS colourDark blue (#00008B)ΔE 21.64, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB8F00
Analogous#00A2CB, #2900CB
Triadic#CB003C, #3CCB00
Split complementary#CB2900, #A2CB00
Tetradic#CB00A2, #CB8F00, #00CB29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#98B6FF
Lighter +30%#6593FF
Lighter +20%#326FFF
Lighter +10%#004BFE
Darker −10%#002D98
Darker −20%#001E65
Darker −30%#000F32
Darker −40%#000000
More saturated +25%#003CCB
Less saturated −25%#1946B2

Channel breakdown

R0
G60
B203
Red0 (0%)
Green60 (23.5%)
Blue203 (79.6%)
Hue222.27°
Saturation (HSL)100%
Lightness39.8%
Dominant channelBlue
Hex per channelR 00 · G 3C · B CB

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Every value on this page was computed from “003ccb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.