Nerdulator> put something in

Recognised as Colour

#33408F

  • #33408F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#33408F is a blue with RGB values 51, 64, 143 and HSL 232°, 47%, 38%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#33408F#33408F
HEX#33408F
RGBrgb(51, 64, 143)
RGB (0–1)0.2, 0.251, 0.5608
RGB percentages20%, 25.1%, 56.1%
HSLhsl(231.5, 47.4%, 38%)
HSV / HSBhsv(231.5, 64.3%, 56.1%)
CMYK64.3%, 55.2%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,358,863
CSS custom property--colour: #33408F;

Brightness & contrast

Relative luminance0.06354WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.25:1
Contrast with white9.25:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#CCBF70

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#094C92no red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#00438Dno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#005361no blue cones; rare, and affects men and women equally; ΔE 48.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.25:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 6.1Midnight blue · ΔE 18.4Rebecca purple · ΔE 22.1Slate blue · ΔE 24.6Royal blue · ΔE 26.9Medium purple · ΔE 29.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 6.11, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F8233
Analogous#336E8F, #54338F
Triadic#8F3340, #408F33
Split complementary#8F5433, #6E8F33
Tetradic#8F336E, #8F8233, #338F54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACB4E2
Lighter +30%#8792D4
Lighter +20%#6170C7
Lighter +10%#4051B5
Darker −10%#262F69
Darker −20%#181E44
Darker −30%#0B0E1E
Darker −40%#000000
More saturated +25%#1B2FA7
Less saturated −25%#4B5177

Channel breakdown

R51
G64
B143
Red51 (20%)
Green64 (25.1%)
Blue143 (56.1%)
Hue231.52°
Saturation (HSL)47.42%
Lightness38.04%
Dominant channelBlue
Hex per channelR 33 · G 40 · B 8F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “33408f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.