Nerdulator> put something in

Colour

#313C69

  • #313C69
  • Blue
  • Dark
  • Nearest: Dark slateblue

#313C69 is a blue with RGB values 49, 60, 105 and HSL 228°, 36%, 30%. It is a dark colour, so white text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#313C69#313C69
HEX#313C69
RGBrgb(49, 60, 105)
RGB (0–1)0.1922, 0.2353, 0.4118
RGB percentages19.2%, 23.5%, 41.2%
HSLhsl(228.2, 36.4%, 30.2%)
HSV / HSBhsv(228.2, 53.3%, 41.2%)
CMYK53.3%, 42.9%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,226,729
CSS custom property--colour: #313C69;

Brightness & contrast

Relative luminance0.04905WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.6:1
Contrast with white10.6:1WCAG normal text: AAA
Contrast with black1.98:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#CEC396

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A416Bno red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#243C68no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#19464Dno blue cones; rare, and affects men and women equally; ΔE 29.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.6:1WCAG large text: AAA
Contrast with black, large text1.98:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.2Steel blue · ΔE 29.7Dark slate grey · ΔE 32.5Midnight blue · ΔE 32.8Slate grey · ΔE 33.6Dim grey · ΔE 34.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#695E31
Analogous#315869, #423169
Triadic#69313C, #3C6931
Split complementary#694231, #586931
Tetradic#693158, #695E31, #316942

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#97A2CF
Lighter +30%#7583BE
Lighter +20%#5264AE
Lighter +10%#41508C
Darker −10%#212846
Darker −20%#111423
Darker −30%#000001
Darker −40%#000000
More saturated +25%#1E307C
Less saturated −25%#444856

Channel breakdown

R49
G60
B105
Red49 (19.2%)
Green60 (23.5%)
Blue105 (41.2%)
Hue228.21°
Saturation (HSL)36.36%
Lightness30.2%
Dominant channelBlue
Hex per channelR 31 · G 3C · B 69

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 “313c69” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.