Nerdulator> put something in

Recognised as Colour

#13374F

  • #13374F
  • Blue
  • Dark
  • Nearest: Dark slate grey

#13374F is a blue with RGB values 19, 55, 79 and HSL 204°, 61%, 19%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#13374F#13374F
HEX#13374F
RGBrgb(19, 55, 79)
RGB (0–1)0.0745, 0.2157, 0.3098
RGB percentages7.5%, 21.6%, 31%
HSLhsl(204, 61.2%, 19.2%)
HSV / HSBhsv(204, 75.9%, 31%)
CMYK75.9%, 30.4%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,259,343
CSS custom property--colour: #13374F;

Brightness & contrast

Relative luminance0.03435WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.45:1
Contrast with white12.45:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#ECC8B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C3750no red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#24314Fno green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#003D3Fno blue cones; rare, and affects men and women equally; ΔE 17.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.45:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.2Black · ΔE 28.7Dim grey · ΔE 29.5Slate grey · ΔE 32.1Steel blue · ΔE 33.7Light slate grey · ΔE 35
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F2B13
Analogous#134F49, #13194F
Triadic#4F1337, #374F13
Split complementary#4F1319, #4F4913
Tetradic#49134F, #4F2B13, #194F13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#57A4D7
Lighter +30%#318DCA
Lighter +20%#2770A1
Lighter +10%#1D5478
Darker −10%#091A26
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#07395B
Less saturated −25%#1F3543

Channel breakdown

R19
G55
B79
Red19 (7.5%)
Green55 (21.6%)
Blue79 (31%)
Hue204°
Saturation (HSL)61.22%
Lightness19.22%
Dominant channelBlue
Hex per channelR 13 · G 37 · B 4F

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 “13374f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.