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Recognised as Colour

#033B75

  • #033B75
  • Blue
  • Dark
  • Nearest: Dark slateblue

#033B75 is a blue with RGB values 3, 59, 117 and HSL 211°, 95%, 24%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#033B75#033B75
HEX#033B75
RGBrgb(3, 59, 117)
RGB (0–1)0.0118, 0.2314, 0.4588
RGB percentages1.2%, 23.1%, 45.9%
HSLhsl(210.5, 95%, 23.5%)
HSV / HSBhsv(210.5, 97.4%, 45.9%)
CMYK97.4%, 49.6%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer211,829
CSS custom property--colour: #033B75;

Brightness & contrast

Relative luminance0.04432WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.13:1
Contrast with white11.13:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FCC48A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#194177no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#003774no green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#004952no blue cones; rare, and affects men and women equally; ΔE 36.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.13:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.4Midnight blue · ΔE 28Steel blue · ΔE 30.5Rebecca purple · ΔE 36.9Cornflower blue · ΔE 38.6Dark slate grey · ΔE 39.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#753D03
Analogous#037475, #040375
Triadic#75033B, #3B7503
Split complementary#750403, #747503
Tetradic#750374, #753D03, #037504

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4AA0FA
Lighter +30%#1887F9
Lighter +20%#066DD8
Lighter +10%#0454A7
Darker −10%#022243
Darker −20%#000912
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003B78
Less saturated −25%#123B66

Channel breakdown

R3
G59
B117
Red3 (1.2%)
Green59 (23.1%)
Blue117 (45.9%)
Hue210.53°
Saturation (HSL)95%
Lightness23.53%
Dominant channelBlue
Hex per channelR 03 · G 3B · B 75

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Every value on this page was computed from “033b75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.