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Colour

#033CDB

  • #033CDB
  • Blue
  • Dark
  • Nearest: Medium blue

#033CDB is a blue with RGB values 3, 60, 219 and HSL 224°, 97%, 44%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#033CDB#033CDB
HEX#033CDB
RGBrgb(3, 60, 219)
RGB (0–1)0.0118, 0.2353, 0.8588
RGB percentages1.2%, 23.5%, 85.9%
HSLhsl(224.2, 97.3%, 43.5%)
HSV / HSBhsv(224.2, 98.6%, 85.9%)
CMYK98.6%, 72.6%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer212,187
CSS custom property--colour: #033CDB;

Brightness & contrast

Relative luminance0.08366WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.86:1
Contrast with white7.86:1WCAG normal text: AAA
Contrast with black2.67:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#FCC324

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CE0no red cones; affects about 1% of men; ΔE 22.6 from the original
Deuteranopia#0048D8no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#006B88no blue cones; rare, and affects men and women equally; ΔE 87.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.86:1WCAG large text: AAA
Contrast with black, large text2.67:1WCAG large text: Fail

Named colours

Medium blue · ΔE 22.9Blue violet · ΔE 24.5Dark blue · ΔE 24.9Medium slateblue · ΔE 26Navy · ΔE 28.7Dark orchid · ΔE 30.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 22.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBA203
Analogous#03A8DB, #3603DB
Triadic#DB033C, #3CDB03
Split complementary#DB3603, #A8DB03
Tetradic#DB03A8, #DBA203, #03DB36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACC2FE
Lighter +30%#7A9CFD
Lighter +20%#4877FC
Lighter +10%#1552FC
Darker −10%#022EA9
Darker −20%#022076
Darker −30%#011344
Darker −40%#000512
More saturated +25%#003BDE
Less saturated −25%#1F49BF

Channel breakdown

R3
G60
B219
Red3 (1.2%)
Green60 (23.5%)
Blue219 (85.9%)
Hue224.17°
Saturation (HSL)97.3%
Lightness43.53%
Dominant channelBlue
Hex per channelR 03 · G 3C · B DB

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Every value on this page was computed from “033cdb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.