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Colour

#033998

  • #033998
  • Blue
  • Dark
  • Nearest: Dark slateblue

#033998 is a blue with RGB values 3, 57, 152 and HSL 218°, 96%, 30%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#033998#033998
HEX#033998
RGBrgb(3, 57, 152)
RGB (0–1)0.0118, 0.2235, 0.5961
RGB percentages1.2%, 22.4%, 59.6%
HSLhsl(218.3, 96.1%, 30.4%)
HSV / HSBhsv(218.3, 98%, 59.6%)
CMYK98%, 62.5%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer211,352
CSS custom property--colour: #033998;

Brightness & contrast

Relative luminance0.05213WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.28:1
Contrast with white10.28:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#FCC667

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00479Bno red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#003A96no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#005263no blue cones; rare, and affects men and women equally; ΔE 56.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.28:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.3Midnight blue · ΔE 15Rebecca purple · ΔE 21.1Slate blue · ΔE 21.5Royal blue · ΔE 22.6Indigo · ΔE 28.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#986203
Analogous#038398, #180398
Triadic#980339, #399803
Split complementary#981803, #839803
Tetradic#980383, #986203, #039818

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6BA0FC
Lighter +30%#397FFB
Lighter +20%#075FFA
Lighter +10%#044CCA
Darker −10%#022666
Darker −20%#011334
Darker −30%#000102
Darker −40%#000000
More saturated +25%#00389B
Less saturated −25%#163E85

Channel breakdown

R3
G57
B152
Red3 (1.2%)
Green57 (22.4%)
Blue152 (59.6%)
Hue218.26°
Saturation (HSL)96.13%
Lightness30.39%
Dominant channelBlue
Hex per channelR 03 · G 39 · B 98

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Every value on this page was computed from “hex 033998” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.